Featured by Ben Austen
A Roller Coaster That’ll Leave You Weightless for Eight Long Seconds
The plan costs $50 million, but it'll be unlike any roller coaster ever built
After Earth: Why, Where, How, and When We Might Leave Our Home Planet
Humanity may have millennia to find a new home in the universe--or just a few years
The Terminator Scenario: Are We Giving Our Military Machines Too Much Power?
Even as we imagine the day when robots finally turn against us, scientists are at work on how best to control them