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Why Are Cars Not Spherical?

Quora | Posted 11.13.2012 | Science

This question originally appeared on Quora. By Joshua Engel, polymath Because gravity points down. Spheres are optimal ways of dealing with things...

The Sikorsky Human-Powered Helicopter Prize: One of the Last Great Aviation Firsts

Dr. Todd Reichert | Posted 07.30.2012 | Science
Dr. Todd Reichert

The problem, of course, is that the human body can produce, at best, about 1 horsepower for a one-minute flight. This is about half the power that it takes to run a good hair dryer! Is it even possible to build a helicopter that can lift so much weight on so little power?

What Airplane Company Hopes This Wing Will Do

Reuters | Kyle Peterson and Tim Hepher | Posted 07.02.2012 | Science

By Kyle Peterson and Tim Hepher CHICAGO/PARIS (Reuters) - There are, so the industry saying goes, only three secrets in the commercial ...

WATCH: Self-Guided Bullet Hits Target Mile Away

Posted 01.31.2012 | Science

By: InnovationNewsDaily Staff Published: 01/30/2012 04:44 PM EST Smart weapons have been growing smaller since the first guided cruise missiles to...