Don’t confused Project HARP (High Altitude Research Project) with HAARP (High Frequency Active Auroral Research Program).
HARP:
Mr. Gerald Bull certainly never gave up on his idea of using massive guns to launch vehicles into space – until he was assassinated. He also made one of the longest range Howitzers ever.
Cupurates are a copper containing materials whose superconductivity seems to confirm String Theory.
A useful iOS application for thinking about four dimensional geometry – it really helped me to see how to rotate a Tesseract in four dimensions of space.