The Always Up-to-Date Guide to Building a Hackintosh (OS X 10.10)

Building a hackintosh—that is, installing Mac OS X on non-Apple hardware—used to require extremely restricted hardware choices and quite a bit of know-how. Now your options are vast and the installation process is fairly simple. With that in mind, here is our always up-to-date guide to building a hackintosh that will… » 10/21/14 5:39pm Tuesday 5:39pm

How NASA Deals With Odor Inside the International Space Station

Space may be a vacuum, but at least aboard the International Space Station, smells still have plenty of room to waft. And considering the ISS has 6 living, breathing, excreting human beings living in such close proximity, some of those smells could get to be a major problem. Fortunately, NASA's accounted for that. » 10/21/14 4:00pm Tuesday 4:00pm

What Would Happen If the 20 Biggest US Cities Were Wiped Out With Nukes

Wiping out an American city, much less the largest ones, requires either blast yields well beyond the capability of any terrorist organization, or numbers of nuclear weapons that would make the terrorist organization one of the largest nuclear powers on the planet. This is particularly true of major cities such as… » 10/14/14 1:10pm 10/14/14 1:10pm

This Mysterious NYC Castle Was Actually America's First Cancer Hospital

On the southwest corner of Central Park West and 106th Street in New York City, there's an enormous castle. It takes up the whole east end of the block, with its red brick cylindrical turrets topped with gleaming silver cones. The stained glass windows and intricate stonework make the building look like something out… » 9/19/14 5:30pm 9/19/14 5:30pm

How Close Are We to a Real Iron Man Suit?

If we are just talking about an armored suit that augments a human's strength and weaponry, then we're extremely close. But if we're talking about something with all of the primary abilities of Iron Man's character (i.e. flight, clean infinite power, and repulsor beams), that may never become a reality. The current… » 9/19/14 2:03pm 9/19/14 2:03pm

The Evolution of Potty Training Tech

At some point between the terrible twos and terrifying threes, most of us embarked on a pilgrimage to the great ceramic bowl in the sky. It was a long journey, which left in its wake frustrated parents, soiled sheets, and tiny mounds of ill-timed poop. But over time, with practice and patience, we collectively… » 9/17/14 5:15pm 9/17/14 5:15pm

Bloodletting and Bone Brushes: The White-Knuckle Days of Early Dentistry

With all those gleaming, stainless-steel tools readied for painful prodding, few people look forward to visiting the dentist. But modern dentistry is a walk in the park compared with archaic methods of treating oral maladies: Be glad you're not seeking treatment for mysterious "tooth worms" or using dentures filled… » 9/10/14 3:00pm 9/10/14 3:00pm