Cosmic particles inside pyramids could unlock mystery of how they were built

The particles pass through empty spaces but can be absorbed or deflected by harder surfaces. By studying particle accumulations, scientists may learn more about the construction of the pyramid, which was built by the Pharaoh Snefru.

“For the construction of the pyramids, there is no single theory that is 100% proven or checked; They are all theories and hypotheses,” said Hany Helal, the institute’s vice president.

“What we are trying to do with the new technology, we would like to either confirm or change or upgrade or modify the hypotheses that we have on how the pyramids were constructed,” he said.

http://www.theguardian.com/world/2016/jan/18/cosmic-particles-inside-pyramids-could-unlock-mystery-of-how-they-were-built

Eh_ang 184: Chinese drone maker unveils human-carrying drone

The Guangzhou, China-based company pulled the cloth off the Eh_ang 184 at the Las Vegas Convention Center during the CES gadget show. In a company video showing it flying, it looks like a small helicopter but with four doubled propellers spinning parallel to the ground like other drones.

The electric-powered drone can be fully charged in two hours, carry up to 220 pounds and fly for 23 minutes at sea level, according to Ehang. The cabin fits one person and a small backpack and even has air conditioning and a reading light. With propellers folded up, it's designed to fit in a single parking spot.