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Amazon Is Teaching Alexa to Analyze Your Emotions

Emotional Intelligence Amazon researchers think they’ve found a better way to make emotionally-savvy artificial intelligence. In the ongoing quest to make smart assistant Alexa better understand the humans with whom it interacts, Amazon developed a more effective way to teach Alexa to scan people’s voices for signs of...

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DARPA Wants Soldiers to Control Drones With Their Thoughts

Game of Drones The U.S. Defense Advanced Research Projects Agency (DARPA) has officially funded a program to come up with a brain-machine interface — in the form of a headset designed to let military personnel control anything from “active cyber defense systems” to “swarms of unmanned aerial vehicles” through...

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Raytheon Says Laser Weapon Will Blast Nuclear Missiles From Sky

Pew Pew! Military technology company Raytheon is teasing plans to build a powerful laser weapon capable of shooting down hypersonic nuclear missiles. A hypersonic missile is able to strike at several times the speed of sound. That’s too fast for conventional anti-missile technology, but on Monday Raytheon tweeted out...

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The U.S. Post Office Is Testing Self-Driving Mail Delivery Trucks

Test Drive Starting Tuesday, autonomous trucks working for the for the U.S. Postal Service will ship mail across the thousand-mile stretch between Dallas and Phoenix. Before this two-week trial period, the postal service commissioned teams of third-party drivers to handle the 22-hour trek in shifts, according to The...

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A “Dense Bullet of Something” Blasted Holes in the Milky Way

Bullet Holes Scientists say that something mysterious punched gigantic, cosmic “bullet holes” in parts of the Milky Way. There’s a string of holes in a long stream of stars called GD-1 that suggests that some yet-undiscovered thing blasted its way through, according to research presented to the American Physical...

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Scientists Just Discovered 300,000 New Galaxies

On the Map The Low Frequency Array (LOFAR) telescope is quickly making good on its promise. The Netherlands-based array picks up low radio frequencies, including the traces of radiation that form when galaxies merge. Now, an international team of scientists has published the first research made possible by LOFAR — and...

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Anti-Aging Drug That Kills Old Cells Passes First Human Trial

Cleaning House Not all damaged cells die. Some stick around as senescent cells, unable to divide but still able to produce chemical signals — and they could play a major role in the battle against aging. “It is thought that these cells and the substances they produce are involved in the process of aging,”...

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Elon Musk: A Round-Trip Ticket to Mars Will Cost Just $100,000

Sticker Shock SpaceX CEO Elon Musk said on Twitter Sunday night that he expects a round–trip ticket to Mars to eventually cost less than a luxury wedding. “Very dependent on volume, but I’m confident moving to Mars (return ticket is free) will one day cost less than $500k & maybe even below $100k,” he wrote....