This Huge Engineering Project May Be Our Best Chance At Colonizing Space

Space colonization has reached an impasse, for reasons far more fundamental than a lack of money for the Space Shuttle program. There is simply no way humans can travel easily offworld without using massive amounts of rocket fuel to escape the gravity well — and that's both expensive and environmentally… » 2/04/15 2:57pm 2/04/15 2:57pm

Thomas Edison's Car Battery Is Back And Better Than Ever

In 1901, Thomas Edison developed the recharcheable nickel-iron battery, a technology he hoped to see implemented in electric cars. But a slow rate of energy output and slower charging time saw it superseded by lead-acid and lithium-ion batteries in standard and electric cars alike. » 6/28/12 12:10pm 6/28/12 12:10pm