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Articles from Popular Science

North Korea's miniaturized nuclear warheads were a long time coming

August 15, 2017 - 10:11 -- Admin

On October 9, 2006, North Korea conducted its first nuclear test. Since then, the nation has tested nuclear devices four more times, most recently in September 2016. Running parallel and complementary to the nuclear program is a missile program that, twice in July, tested ICBMs with a range that can likely reach most of the continental United States.

How to build an hourglass watchtower

August 8, 2017 - 08:00 -- Admin

Humans have been building watchtowers since long before we had the written language to describe them. In the ancient city of Jericho, archeologists found the ruins of a conical 30-foot-tall building that dates back to 8000 BCE. In northeastern Scotland, 2,000-year-old tower-like structures called broches dot the countryside.

New Horizons will soon solve a mystery about an object a billion miles past Pluto

August 8, 2017 - 08:00 -- Admin

In less than two years, the New Horizons space probe is going to go whizzing by an object a billion miles further away from us than Pluto at speeds of up to 30,000 miles per hour. We know generally where that object—MU69, a cold dark object in the Kuiper Belt—will be thanks to telescope observations, otherwise we wouldn't be able to rendezvous with it at all, but like a blind date, we're not 100 percent sure what to expect.

Artificial intelligence now powers all of Facebook's translation

August 4, 2017 - 12:59 -- Admin

Spend enough time on Facebook, and you'll likely encounter a post written in a tongue that's foreign to you. That's because the social network has two billion users and supports over 45 languages. On Thursday, Facebook announced that all of its user translation services—those little magic tricks that happen when you click “see translation” beneath a post or comment—are now powered by neural networks, which are a form of artificial intelligence.