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Why Were Old Jet Engines So Much More Smoky Than Newer Ones?

The dawn of the jet age saw the skies near major airports raked with thick black smoke trails. These exhaust plumes have largely disappeared from our atmosphere due to continuous jet engine innovations. Here is the story of the jet engine’s amazing change in visual and ecological signature since its introduction into… » 7/30/15 7:40pm 31 minutes ago

How To Survive The Cascadia Tsunami

“Thirteen thousand people will die in the Cascadia earthquake and tsunami,” reads Kathryn Schulz’s now-infamous New Yorker article. “Everything west of Interstate 5 will be toast.” Turns out a very similar event occurred in Chile 55 years ago. What wisdom can its survivors share with residents of the Northwest? » 7/30/15 6:30pm Today 6:30pm

Facebook's Internet Drone Looks Like an Angry Boomerang

After years of teasing, Facebook has finally revealed an air-ready, solar-powered drone designed to beam internet to Earth’s surface. It looks like a really expensive and sort of pissed off boomerang. All it lacks is the data-delivering laser that will deliver websites to remote African villages. Facebook says that… » 7/30/15 5:10pm Today 5:10pm

Rappers On Auto-Balancing Skateboards: A Complete Guide

Here in 2015, most of us are still stuck using our stupid, feeble legs for everyday transportation, but perhaps you’ve noticed the latest rapper trend: auto-balancing skateboards that look like smaller, cooler Segways. Everyone from Wiz Khalifa to Nicki Minaj to Soulja Boy is flaunting these things on Instagram… » 7/30/15 5:06pm Today 5:06pm