Base of Operations

"Mr. Tierra, as you requested, we have found over two hundred abandoned, unused castles or building complexes across the United Kingdom." As Arthur Weasley placed a list before Tierra, he directed the British Magical Union Association staff to carry in a heavy cabinet-like machine and a screen.

"Hmm, Mr. Weasley, what are you doing?" Tierra asked mildly, setting down the list.

"Hehe." Arthur Weasley rubbed his hands together like a child who had just received a new toy. "Just wait, Tierra. This is the latest Muggle technological product. It's simply marvelous!"

Tierra looked at the bulky machine, opened his mouth, then closed it again.

Tierra did not know its exact name. It was probably called an old-fashioned projector or an overhead projector. It consisted of a heavy platform, a lens parallel to the platform, and a metal support connecting the two that could be adjusted for height.

This old-fashioned projector did not need to be connected to a computer. One only needed to place the worksheet to be explained on the platform, and through optical principles, it could project the worksheet onto the screen. The height of the support could then be adjusted to change the size of the projected image.

Teachers had often used this kind of old-fashioned projector to go over problems when Tierra had been in elementary and middle school in his previous life. By high school, the teaching equipment had been upgraded, and his school had begun using projectors that could connect to computers.

Of course, to Tierra, this machine was outdated technology that he had swept into some dusty corner of his memories. But to someone like Arthur Weasley, who had barely seen much of the world, it was an exquisitely crafted and novel toy.

After all, Tierra himself had been the one to suggest