I'll tell you what he built on my friends server..
A big pad with a sign on it.
If you stepped on this sign it makes your velocity constantly -1 when your walking, and a giant DEMO sign pops up...
Along with the fact that he posted research and is a complete liar.
Off topic - Mnemonic device for the alphabet
Always Beware of Cats Darting Erratically Forward Going Halfway Into Jungles, Kathy, Lest Mopey Neighbors Open Poorly Quilted Radioactive Sunlamps To Ultra-Violet Waves or X-rays, Yo Zach!