Watch how fog harvesters may help reduce water shortages

Scientists have been experimenting with "fog harps" in arid climates as an easy way to collect potable water from fog.

Via the paper:

Fog harvesting is a useful technique for obtaining fresh water in arid climates.

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How armored vehicles stop bullets

YouTuber JerryRigEverything had a chance to fire some bullets at a bullet-proof car. The physics are interesting to watch as the energy disperses into the materials in slow motion. Read the rest

This is the best NSFW explanation of the Florida bridge collapse

If you like sweary Canadians with lots of knowledge about building materials and construction, Arduino versus Evil has the most interesting armchair analysis of what caused the Florida International University bridge collapse. Read the rest

Stormchaser explains why powerful storms can have green coloration

Pecos Hank has seen his share of storms, as evidenced by his cool footage of ominous green-hued clouds. He explains the science behind why massive thunderstorms can "go green," as they say in stormchaser parlance. Read the rest

What makes dry quicksand so deadly?

Dry quicksand was a mythical substance — normal-looking sand that could swallow you in a flash. That is, until 2004, when scientists made the stuff in a lab. Read the rest

Khan Academy explains SOPA/PIPA

The globally praised Khan Academy comes out against SOPA and PIPA in this explainer video, which does a really excellent job of digging into the implications for legitimate sites (like Khan Academy) in a world where SOPA/PIPA become law. Read the rest

Scary science, national security, and open-source research

I've been following the story about the scientists who have been working to figure out how H5N1 bird flu might become transmissible from human to human, the controversial research they used to study that question, and the federal recommendations that are now threatening to keep that research under wraps. Read the rest

Why would a battery burst into flame?

In several crash tests, the battery on a Chevy Volt began to heat up or burst into flame. The battery problems happened a few days or weeks after the impact and the National Highway Traffic Safety Administration is investigating. Read the rest