Chapter Summaries

Key Plot Points and Events

• Luo Shijun discovers a problematic power section in the Immortal Slaying Sword Missile's design, which requires a missile length between 90 and 100 centimeters, shorter than the current design.
• Qian Wushi and the team discuss potential solutions, focusing on reducing the missile's length by optimizing the warhead, engine, and propellant sections.
• Shen Zhongfang suggests using a more efficient propellant, such as Hunxun 50, to reduce the propellant volume, but Qian Wushi is hesitant due to safety and stability concerns.

Character Developments

• Luo Shijun shows his expertise and dedication to his work, impressing Qian Wushi.
• Qian Wushi demonstrates his leadership and strategic thinking, guiding the team through the problem-solving process.
• Shen Zhongfang exhibits his innovative and risk-taking nature, proposing a potentially rewarding but also risky solution.
• Xu Yun, despite his lack of knowledge in missile design, contributes an idea based on his understanding of waverider technology and a news report he remembers.

Significant Themes

• The importance of innovation and risk-taking in problem-solving, as seen in Shen Zhongfang's proposal and Qian Wushi's consideration of unconventional solutions.
• The role of leadership in guiding a team through challenges, as demonstrated by Qian Wushi's direction and encouragement.
• The tension between safety and progress, highlighted by Qian Wushi's hesitation to adopt the more efficient but unstable Hunxun 50 propellant.

Character Interactions

• Qian Wushi and Luo Shijun's mentor-mentee relationship is strengthened as Qian Wushi praises Luo Shijun's work and offers guidance.
• Qian Wushi and Shen Zhongfang's interaction showcases Qian Wushi's open-mindedness and willingness to consider unconventional ideas, even if they come from younger team members.
• Xu Yun's interaction with Qian Wushi highlights Xu Yun's willingness to contribute ideas despite his lack of expertise in the field, and Qian Wushi's openness to hearing ideas from all team members.

• Xu Yun presents his idea to use shock waves and launch angles to optimize the 'Immortal Slaying Sword' missile's trajectory, reducing propellant consumption.
• Qian Wushi is impressed by Xu Yun's idea but warns that its feasibility depends on detailed calculations.
• Qian Wushi divides the team into four groups to work on different aspects of the project, with Xu Yun and Qian Wushi forming one group to focus on supersonic axisymmetric calculations.
• Xu Yun and Qian Wushi begin their calculations, with Xu Yun assisting in writing down the formulas. A member of the calculation group, Yu Min, joins them and contributes to the derivation process.
• Xu Yun is surprised and impressed by Yu Min's calculation results, leading him to ask Yu Min's full name.

Key Plot Points and Events

• Xu Yun, Qian Wushi, and Yu Min (disguised as 'Greater Than') work together to solve the missile design problem.
• Qian Wushi completes the preliminary missile design, and a U2 reconnaissance plane is spotted nearby.

Character Developments

• Xu Yun realizes the true identity of 'Greater Than' as Yu Min, the father of Huaxia's hydrogen bomb.
• Qian Wushi shows his exceptional analytical skills by quickly summarizing and sketching the missile design.
• Yu Min demonstrates his extraordinary mathematical abilities, solving complex equations effortlessly.

Significant Themes

• The power of collective effort and collaboration.
• The importance of national security and technological advancement in the face of external threats.

Character Interactions

• Xu Yun and Qian Wushi work together, with Qian Wushi showing respect for Xu Yun's abilities.
• Xu Yun interacts with Yu Min, initially feeling overwhelmed by his mathematical prowess but eventually finding common ground for discussion.
• Qian Wushi shares his experiences with U2 reconnaissance planes, expressing confidence in the upcoming developments.

Key Plot Points and Events

• The U2 reconnaissance plane flies over Factory 221, symbolizing the ongoing tension and provocation.
• Qian Wushi and Xu Yun discuss missile design issues, ignoring the U2 incident.
• The project team presents their findings after five hours of work.
• Luo Shijun's group makes a calculation error in the 2D intake configuration, which Qian Wushi points out.
• Chai Zhi's group successfully completes their intake propulsion calculation process.
• Wu Beisheng's group presents their design for the close-fitting cone with a fixed planar shape under viscous conditions, which is approved by Qian Wushi.
• Old Guo meets with Li Jue, discussing the progress of the Zhuxian project and the potential threat from Europe.
• Li Jue gives Old Guo a box containing special medicine from the capital to treat his lung condition.

Character Developments

• Qian Wushi demonstrates his expertise and leadership in missile design, guiding his team through challenges and errors.
• Luo Shijun shows humility and willingness to learn from his mistake, accepting Qian Wushi's guidance.
• Old Guo remains dedicated to his work despite his deteriorating health, refusing to let his condition hinder his contributions to the project.
• Li Jue shows concern for Old Guo's health and personally delivers the special medicine to him.

Significant Themes

• The tension and provocation from foreign powers, symbolized by the U2 reconnaissance plane, highlight the need for China to develop advanced military technology.
• The dedication and perseverance of the project team, even in the face of challenges and setbacks, emphasize the importance of their work and the potential consequences of failure.
• The theme of sacrifice and personal health, exemplified by Old Guo's willingness to continue working despite his lung condition, underscores the significance of the project and the personal cost of contributing to it.

Character Interactions

• Qian Wushi interacts with his team members, guiding them through their work and helping them overcome challenges.
• Luo Shijun interacts with Qian Wushi, accepting his guidance and learning from his mistake.
• Old Guo interacts with Li Jue, discussing the progress of the project and receiving the special medicine from him.
• The project team members interact with each other, presenting their findings and discussing their work.

Key Plot Points and Events

• The author reports on the previous month's update, which totaled 270,000 characters, including the completion of the "disguise" and "cross-dressing defense battle" arcs.
• The author announces the update plan for the current month, tied to the number of Monthly Votes received:
  • 3,500 votes: 210,000 characters update
  • 6,000 votes: 270,000 characters update (9,000 characters per day)
  • 9,000 votes: 300,000 characters update
• The author shares a list of recommended books with ten thousand subscriptions, organized into various genres.

Character Developments

• The author, as the narrator, expresses their dedication to writing and asks readers for support through Monthly Votes.

Significant Themes

• Reader engagement and support through Monthly Votes, which directly impacts the update frequency and length.
• The importance of community and shared interests among readers, as seen in the author's recommendation of other books.

Character Interactions

• The author interacts with readers and other authors through the list of recommended books, fostering a sense of community and shared appreciation for various genres.
• The author appeals to readers' sense of camaraderie and shared goals, asking for their support to achieve a "brilliant ending" for the book.

Summary

Key Plot Points and Events

• Qian Wushi's team successfully correlates and derives all four modules.
• They begin missile parameter calculations, using the weather Doppler radar data encryption method for secure communication.
• Qian Wenji, in the capital, receives and deciphers the data, noticing discrepancies and a waverider-like structure in the missile design.
• Xu Yun and Qian Wushi ask Old Wang to modify the Zhu Xian platform's design for a higher operational altitude.

Character Developments

• Qian Wushi demonstrates his trust in experts by not interfering with the Liaison Group's work.
• Qian Wenji shows his dedication and professionalism by immediately traveling to the capital after surgery to assist with the missile data simulation.
• Old Wang displays his expertise and experience in aerospace projects, understanding the implications of the increased operational altitude.
• Xu Yun feels a mix of emotions, reminiscent of his experiences with Old Wang in his previous life.

Significant Themes

• The importance of trust and collaboration among experts, as seen in Qian Wushi's approach to the Liaison Group.
• The dedication and professionalism of scientists, exemplified by Qian Wenji's immediate response to the situation.
• The interconnectedness of scientific research, with Qian Wenji's observations potentially influencing his own project.
• The emotional complexity of Xu Yun's experiences, reflecting on his past life and current situation.

Character Interactions

• Qian Wushi and Wang Jin Xing demonstrate a mutual respect and understanding, with Qian Wushi not interfering with Wang Jin's work and Wang Jin feeling motivated by Qian Wushi's trust.
• Qian Wenji and Wu Jikang work together to decipher and analyze the missile data, showcasing their professional partnership.
• Xu Yun, Qian Wushi, and Old Wang interact, with Old Wang pushing Xu Yun's wheelchair and expressing his displeasure at the increased workload, but ultimately agreeing to help.
• The Lu Xian Sword group members react to the news of the Zhu Xian platform's redesign, with some asking questions and others quietly beginning to recalculate their work.

Summary

Key Plot Points and Events

• Old Wang increases the airship's hovering altitude requirement to 45,000 to 46,000 meters, necessitating a recalculation of the airship's lift and buoyancy.
• Yuncheng, a student, suggests changing the airship's shape to an ellipsoid and installing the air intake on the underside of the maximum diameter to optimize air flow and buoyancy.
• The ultra-wideband proximity fuze and airship envelope projects are advancing steadily.
• A granary in Sui City catches fire, destroying 90% of the grain, which were winter provisions for Base 221. The Leader suggests borrowing grain from another department as a last resort and testing the waters with a certain person.

Character Developments

• Old Wang demonstrates his leadership and expertise in aerospace engineering.
• Yuncheng showcases his problem-solving skills and knowledge in aerodynamics.
• Liu Bosheng displays his concern for the base's provisions and his dedication to the project.

Significant Themes

• The importance of margin for error and redundancy in engineering, as demonstrated by Old Wang's requirement for a higher altitude.
• The delicate balance between progress and setbacks in large-scale projects.
• The need for adaptability and quick thinking in the face of unexpected challenges, as seen in the response to the granary fire.

Character Interactions

• Old Wang interacts with the Lu Xian Sword team, guiding and encouraging them in their work.
• Liu Bosheng interacts with Little Liu, discussing the granary fire and the Leader's response.
• The various project teams in Base 221 work independently yet collaboratively, each making progress in their respective fields.

Key Plot Points and Events

• Liu Bosheng receives a mysterious letter hinting at a secret grain reserve and asking for help finding Han Li.
• The Zhu Xian Project achieves phased results, with the Immortal Slaying Sword Array platform showing potential for practical application and production.
• The 'Xian Xian Sword' team led by Sun Junren develops an ultra-wideband proximity fuze, successfully tested by the Second Battalion.
• The Juexian Sword project team creates an airship envelope material using donkey gelatin, among other ingredients.

Character Developments

• Liu Bosheng shows concern for security work after the Suicheng granary fire, emphasizing the importance of vigilance.
• Old Guo demonstrates his technical expertise and leadership in presenting the achievements of the Zhu Xian Project.

Significant Themes

• The importance of security and vigilance in maintaining national stability.
• The potential of innovative technology and its impact on practical applications, as seen in the Zhu Xian Project's achievements.
• The unexpected use of donkey gelatin in the creation of airship envelope material, highlighting the resourcefulness and adaptability of the project teams.

Character Interactions

• Liu Bosheng interacts with Little Liu, discussing the mysterious letter and the security situation.
• Old Guo interacts with the base's leaders, presenting the achievements of the Zhu Xian Project and answering questions from Chen Ping.
• The base's leaders discuss and decide on the next steps for the Zhu Xian Project, with Li Jue leading the meeting.

In this chapter, the leaders of Base 221 gather to discuss the "Zhu Xian" project, focusing on the design and modifications of the airship platform. Key points include:

Plot Points and Events

• The leaders are confused by Old Guo's mention of "personality" and "modified."
• Old Wang presents the original and modified blueprints of the airship platform.
• The modified platform includes an outer casing, pneumatic design modules, and can ascend to 45,000 meters.
• Old Wang hints at future upgrades, mentioning a Type 59 tank flying into the sky.

Character Developments

• Xia Min, the director of Branch Factory 17, questions the modifications but is left confused by Old Wang's responses.
• Xu Yun, despite his injury, continues to contribute ideas and interventions, helping the project advance.

Significant Themes

• The theme of innovation and continuous improvement is emphasized, with Old Wang hinting at future upgrades.
• The project's ambitious goals, such as reaching 45,000 meters and potential space flight, are highlighted.

Character Interactions

• Old Wang and Old Guo work together to present the project, with Old Wang handling the technical aspects.
• Xia Min questions Old Wang, leading to further explanations and clarifications.
• Xu Yun continues to provide ideas and interventions, collaborating with the other leaders.
  The chapter concludes with the successful assembly of the Immortal Slaying Sword Array platform, setting the stage for its maiden flight and potential use in combat.

Summary

Key Plot Points and Events

• Chen Pingsheng, a veteran pilot, is tasked with flying a MiG-15bis to test a new weapon system, the Zhu Xian platform.
• The Zhu Xian platform, an airship equipped with a new missile, is launched from Base 221.
• Chen Pingsheng successfully parachutes after the MiG-15bis is destroyed by the Zhu Xian platform's missile.

Character Developments

• Chen Pingsheng: Reflects on his past experiences and the aging of the MiG-15bis, ultimately accepting its destruction for the greater good.
• Wang Hui (Political Commissar): Encourages Chen Pingsheng and shares his perspective on the importance of moving forward and discarding old equipment.

Significant Themes

• The tension between nostalgia and progress, represented by Chen Pingsheng's attachment to the MiG-15bis and Wang Hui's emphasis on moving forward.
• The importance of sacrifice for the greater good, demonstrated by Chen Pingsheng's acceptance of the MiG-15bis' destruction.

Character Interactions

• Chen Pingsheng and Wang Hui: Wang Hui encourages Chen Pingsheng to accept the mission and let go of his attachment to the MiG-15bis.
• Chen Pingsheng and the MiG-15bis: Chen Pingsheng reflects on his past experiences with the aircraft and ultimately accepts its destruction.

Key Plot Points and Events

• Chen Pingsheng successfully parachutes from 10,000 meters, landing safely in a desolate Gobi slope.
• He is met by a logistics team from Factory 221, including a doctor, Lin Yu, and the base's security chief, Cheng Kaijia.
• Cheng Kaijia informs Chen Pingsheng that he will watch a Sino-American co-produced anti-U plane.
• In Jinta County, an explosion occurs at the Second Ore Plant, causing panic among the local workers.
• Liang Zi, a young worker, is revealed to be an enemy agent, sending a telegram about the suspected enriched uranium factory and requesting U2 reconnaissance.

Character Developments

• Chen Pingsheng: Successfully completes a high-altitude parachute jump, demonstrating his bravery and skill.
• Lin Yu: The attending physician at Base 221's Staff Hospital, who examines and treats Chen Pingsheng.
• Cheng Kaijia: The deputy factory director of Factory 221, who meets Chen Pingsheng and reveals the upcoming anti-U plane demonstration.
• Liang Zi: A young worker in Jinta County who is secretly an enemy agent, reporting on the suspected enriched uranium factory.

Significant Themes

• The Cold War: The presence of enemy agents like Liang Zi highlights the ongoing Cold War tensions between the United States and the Republic.
• Technology and Espionage: The focus on the U2 reconnaissance plane and the suspected enriched uranium factory emphasizes the technological and espionage aspects of the Cold War.
• Trust and Betrayal: Liang Zi's betrayal of the revolution and his comrades underscores the theme of trust and betrayal in the context of the Cold War.

Character Interactions

• Chen Pingsheng and Lin Yu: The doctor examines and treats Chen Pingsheng, showing concern for his well-being.
• Chen Pingsheng and Cheng Kaijia: The deputy factory director meets Chen Pingsheng and reveals the upcoming demonstration, showing respect and admiration for Chen Pingsheng's achievements.
• Liang Zi and the young workers: Liang Zi interacts with his fellow young workers, trying to maintain his cover while gathering information for his espionage activities.
• Liang Zi and Ying Zi: Liang Zi's interaction with Ying Zi reveals his lecherous nature and his attempt to take advantage of her, further highlighting his betrayal of the revolution and his comrades.

Key Plot Points and Events

• Chen Wenliang, an undercover agent, is exposed and captured by Political Commissar Lin and his team.
• Chen Wenliang's identity as 'Chen Wenliang' is revealed to be fabricated, causing him shock and mental breakdown.
• The Zhu Xian Project's final phase, involving the landing of the airship platform, is successfully completed.
• News arrives that three U2 reconnaissance aircraft have entered the southeastern region.

Character Developments

• Chen Wenliang (Kong Lu): Initially confident in his undercover identity, he experiences a mental breakdown upon learning it was fabricated.
• Political Commissar Lin: Reveals the truth behind Chen Wenliang's identity and oversees his capture.
• Old Wang: Briefly considers innovative airship designs but dismisses them as currently unfeasible.
• Xu Yun: Continues his recovery and is informed about the incoming U2 aircraft.

Significant Themes

• The complexity and unpredictability of undercover operations.
• The importance of vigilance and caution in intelligence work.
• The potential of innovative technologies and the limitations of current capabilities.

Character Interactions

• Chen Wenliang interacts with Political Commissar Lin, leading to his exposure and capture.
• Old Wang interacts with the base leaders, discussing the successful landing of the Zhu Xian platform.
• Xu Yun interacts with Old Guo, learning about the incoming U2 aircraft.

Key Plot Points and Events

• Three U2 reconnaissance aircraft are sent to scout Jinta County, where an enriched uranium factory is believed to be located.
• The U2s take off from Taoyuan Airport, crossing the strait and entering mainland China.
• The U2s initially linger over Fuding County in Fujian Province, teasing the Rabbits' fighter jets before heading towards Gansu Province and Jinta County.

Character Developments

• Lu Xiliang, the captain of the Black Cat Squadron, shows determination and seriousness in completing the mission.
• Li Nanping, the ace pilot, displays confidence and nonchalance, emphasizing his exceptional flying skills.
• Xu Yun expresses concern about the limited number of missiles and the possibility of U2s escaping, highlighting his strategic thinking.
• Qian Wushi reveals that the missiles can perform split tracking, demonstrating the Rabbits' advanced planning and adaptability.

Significant Themes

• Strategic planning and adaptability: The Rabbits' superiors demonstrate their strategic vision by using Jinta County as bait and preparing for the possibility of multiple U2s.
• Technological innovation: Qian Wushi and his team develop a solution for split tracking, showcasing their ability to optimize existing technology under challenging circumstances.
• Determination and confidence: Lu Xiliang and Li Nanping exhibit determination and confidence in their mission, reflecting the pilots' commitment and skill.

Character Interactions

• Lu Xiliang, Yang Shiju, and Li Nanping interact as a team, displaying camaraderie and trust in their mission.
• Xu Yun and Qian Wushi discuss the mission's challenges and the Rabbits' preparations, highlighting their collaboration and mutual respect.
• Old Guo, Sun Junren, and other high-ranking officials work together, demonstrating their unity and shared goal in protecting their nation's interests.

Summary

Key Plot Points and Events

• The U2s are spotted, and the base prepares to intercept them.
• The airship Zhu Xian is launched to provide a platform for the Immortal Slaying Sword missiles.
• The U2s are shot down using the Immortal Slaying Sword missiles, with no losses on the Chinese side.

Character Developments

• Old Guo displays confidence and leadership in directing the operation.
• Qian Wushi shows strategic thinking in calculating the U2s' flight path and the optimal launch point for the missiles.
• Xu Yun, despite being injured, shows courage and determination in participating in the operation.

Significant Themes

• The rabbits' cautious and meticulous approach to warfare, always preparing for the worst-case scenario.
• The importance of technological innovation in warfare, as demonstrated by the Immortal Slaying Sword missiles.
• The rabbits' determination to defend their homeland and prevent foreign intrusion.

Character Interactions

• Old Guo and Qian Wushi work together, with Old Guo providing overall direction and Qian Wushi handling the technical aspects.
• Xu Yun interacts with Old Guo and Qian Wushi, showing his understanding of military strategy and his willingness to participate in the operation.
• The guard squads provide security and support for the operation, demonstrating the rabbits' attention to detail and commitment to safety.

Key Plot Points and Events

• The U2 reconnaissance aircraft is successfully shot down by the Immortal Slaying Sword missile.
• The wreckage is scattered across three locations, with the condition of the aircraft being poor for recovery.
• The pilot of the first U2 is confirmed to be deceased, and his ring is found, potentially linking him to Li Nanping.

Character Developments

• Old Guo: Shows leadership and calmness in commanding the recovery operation.
• Xu Yun: Reflects on the historical significance of the U2 incident and the potential public announcement.

Significant Themes

• The importance of propaganda and public perception in the Rabbits' strategy.
• The Rabbits' determination to conceal the existence of the Second Battalion.

Character Interactions

• Old Guo and Xu Yun discuss the public announcement of the U2 incident, with Old Guo revealing that the Rabbits plan to attribute the downing to a donkey's kick.

Key Plot Points and Events

• Three U2s are shot down, with one pilot found alive but critically injured.
• The wreckage is salvaged, and a functional U2 lens is recovered.
• Xu Yun returns to the base, where he is asked to consider living incognito for the country.

Character Developments

• Xu Yun: Reflects on the absurdity of the U2's downing and the donkey's role. He also feels nervous about the potential consequences of his actions.
• Old Guo: Shows concern for the injured pilot and is eager to salvage the U2 wreckage for technological advancements.
• Qian Wushi: Leads the U2 salvage operation and expresses concern for the injured pilot's identity and well-being.
• Yang Shiju: The pilot found alive, with a dark history in the original timeline.

Significant Themes

• The absurdity of war and the irony of the U2's downing.
• The importance of technological advancements and the potential of the salvaged U2 components.
• The consequences of one's actions and the potential for redemption, as seen through Yang Shiju's character.

Character Interactions

• Old Guo and Xu Yun: Discuss the U2's downing and the donkey's role in it. Old Guo shows concern for the injured pilot.
• Qian Wushi and Old Guo: Collaborate on the U2 salvage operation and discuss the injured pilot's identity.
• Qian Bingqiong, Li Jue, Old Guo, and Xu Yun: Discuss the potential consequences of Xu Yun's actions and the possibility of him living incognito for the country.

Key Plot Points and Events

• Xu Yun is offered to join the atomic bomb project team by Qian Bingqiong.
• Qian Bingqiong reveals that Base 221 is responsible for Huaxia's atomic bomb project, codename 'Miss Qiu'.
• Xu Yun is given three options for his assignment: join the atomic bomb project immediately, wait for the hydrogen bomb project, or act as a special consultant across both projects.

Character Developments

• Xu Yun: Shows strategic thinking and willingness to take on challenging roles for the greater good of the country.
• Qian Bingqiong: Demonstrates openness and sincerity in revealing the base's true purpose and presenting Xu Yun with various options.
• Old Guo: Shows consideration for Xu Yun's abilities and future contributions, presenting him with multiple assignment options.

Significant Themes

• Patriotism: Xu Yun's willingness to take on challenging roles for the sake of his country's nuclear program highlights his patriotism.
• Confidentiality and Trust: Qian Bingqiong's decision to reveal the base's true purpose to Xu Yun signifies the organization's trust in him.
• Strategic Vision: Xu Yun's ability to understand and consider the implications of each assignment option showcases his strategic thinking.

Character Interactions

• Xu Yun and Qian Bingqiong: Their interaction reveals Qian Bingqiong's openness and Xu Yun's strategic thinking.
• Xu Yun and Old Guo: Their interaction shows Old Guo's consideration for Xu Yun's abilities and future contributions.
• Xu Yun and the organization: Xu Yun's willingness to take on challenging roles demonstrates his trust in the organization and his desire to contribute to the country's nuclear program.

Key Plot Points and Events

• Xu Yun attends his first base meeting, where the shooting down of the U2 is officially announced and celebrated.
• The base's structure and project teams are introduced, revealing the scale and complexity of the nuclear weapon development program.
• The base's three main research directions and their leaders are presented: General Department (Old Guo), Theoretical Department (Peng Mengxiong and Lu Guangda), and Experimental Department (Wang Ganchang).

Character Developments

• Xu Yun is officially introduced as a consultant to the base, gaining recognition for his contributions but also attracting scrutiny due to his unclear background.
• Li Jue, the base director, shows pride in the base's achievements and emphasizes the importance of collective effort.
• Lu Guangda, Wang Ganchang, Cheng Kaijia, and other key figures are introduced, revealing their roles and contributions to the project.

Significant Themes

• The importance of collective effort and teamwork in achieving great goals.
• The tension between secrecy and trust, as Xu Yun's unclear background raises questions among the base's leaders.
• The dedication and sacrifice of the scientists and workers involved in the nuclear weapon project, many of whom lived incognito for decades.

Character Interactions

• Xu Yun interacts with the base's leaders for the first time, gaining their respect and recognition.
• Li Jue, Old Guo, and Qian Wushi show support for Xu Yun, while others express curiosity or scrutiny.
• Lu Guangda, Wang Ganchang, and Cheng Kaijia are introduced, setting the stage for future interactions with Xu Yun.

Summary

Key Plot Points and Events

• Lu Guangda introduces the base's progress in atomic bomb research, including fluid mechanics, neutron physics, and high temperature/high pressure matter properties.
• Xu Yun realizes the base is developing an implosion-type atomic bomb.
• The base's current theoretical progress is around 30%.
• Li Jue discusses logistics and movie ticket distribution at the executive meeting.

Character Developments

• Lu Guangda shows expertise in atomic bomb theory and plants a hook for Xu Yun.
• Xu Yun demonstrates his knowledge and understanding of atomic bombs, gaining Lu Guangda's trust.
• Li Jue exhibits leadership and organizational skills in managing the base's affairs.

Significant Themes

• The importance of fluid mechanics in atomic bomb development.
• The difference between gun-type and implosion-type atomic bombs.
• The base's focus on theoretical progress and application extension.

Character Interactions

• Lu Guangda and Xu Yun: Lu Guangda tests Xu Yun's knowledge, and Xu Yun passes the test, gaining Lu Guangda's respect.
• Li Jue and Xu Yun: Li Jue seeks Xu Yun's help in finding a food solution for the base.
• Old Guo and Xu Yun: Old Guo vouches for Xu Yun's lack of prior knowledge about the base's research.

Key Plot Points and Events

• Xu Yun learns about the grain shortage due to a fire in Suicheng's granary.
• Xu Yun proposes a two-part plan to address the food crisis: increasing protein intake and finding alternative staple foods.
• He suggests raising Black Soldier Flies for protein and using the electrostatic accelerator to create a 'happy water' for shut-ins as a potential staple food source.

Character Developments

• Xu Yun demonstrates his resourcefulness and determination in the face of the food crisis.
• Li Jue shows concern for the base's well-being and is open to unconventional solutions.
• Old Guo and Old Wang are initially skeptical but become more open to Xu Yun's ideas as he explains them.

Significant Themes

• Innovation and adaptability in the face of adversity.
• The importance of resource management and sustainability.
• The power of unconventional thinking and solutions.

Character Interactions

• Xu Yun and Li Jue: Xu Yun presents his ideas to Li Jue, who listens attentively and is open to his proposals.
• Xu Yun and Old Guo: Xu Yun challenges Old Guo's initial skepticism with his detailed explanations.
• Xu Yun and Old Wang: Xu Yun's ideas are met with initial disbelief from Old Wang, but he remains open to hearing more.