Cool Tech
Wearables

Nimb is a smart ring that lets you secretly notify people when you’re in trouble

Nimb is a wearable ring that lets you alert your contacts and emergency services when you're in danger. Just press and hold the button for three seconds and an alert will go out with your location.
Cool Tech

Bad drivers beware: this AI-powered dashcam app is watching you

Car crashes kill over a million people each year. That thought appalls Eran Shir, co-founder and CEO of Nexar, an artificial intelligence app that aims to make streets safer, one bad driver at a time.
Cool Tech

Your camera’s digital ‘fingerprint’ could prevent image theft and fight crime

Slight imperfections in the image sensor manufacturing process give every camera a unique "fingerprint" that is hidden in the photos it takes. A new technology is making it easier to process these fingerprints from any camera.
Cool Tech

An artist built a robot that stabs humans just to make a point

“People don't realize how much of a visceral reaction like that a robot can give you,” creator Alexander Reben tells Digital Trends. “The anticipation, fear and hesitation are really strong; one person told me the last time…
Cool Tech

International effort uses low-power technique to break down plastics into usable fuel

Researchers in a joint U.S.-Chinese effort have managed to turn polyethylene plastic into a burnable, relatively clean diesel fuel by the process of catalytic cross alkane metathesis, offering new hope for the mountains of discarded plastic…
Cool Tech

Revealing the secrets of the Antikythera Mechanism: the world’s oldest computer

“What the Antikythera Mechanism has taught us is that ancient Greek mechanicians were able to design and build highly complex devices, on a remarkably small scale, on mathematical principles and serving a scientific agenda,”…
Computing

One AA battery is all you need to run this 1,000 core processor

You might think a 1,000 core processor would need a lot of energy, but graduate students at UC-Davis have designed one that can run off a AA battery. It's the quickest processor to ever come out of a university.
Cool Tech

For the first time since 1967, we start summer with a ‘Strawberry Moon’

A coincidence occurs about every 48 years when the summer solstice and full moon fall on the same day, resulting in colors often called a Strawberry Moon. The show starts at 6:30 p.m. ET.
Photography

LensRegain combines wireless lens control, speed booster, and follow focus in one

Need to adjust focus hands-free? The Aputure DEC LensRegain will do just that -- and also works as a lens adapter and speed booster. The latest version offers a three-in-one versatility that's hard to match.
Cool Tech

The end of sexual reproduction could be 20 years away, claims bioethicist

Stanford law professor and bioethicist Hank Greely’s new book, The End of Sex and the Future of Human Reproduction, predicts that parents in developed countries will soon decide to bare children based on genetics, rather than by chance.
Web

Get a gift you actually want with Sugarwish and its candies

We may say that it’s the thought that counts, but wouldn’t you rather receive a gift you actually, you know, want? That, at least, is the surprisingly revolutionary (and sweet) idea behind Sugarwish.
Cool Tech

Watch Blue Origin achieve a ‘picture-perfect’ capsule crash-landing

Blue Origin scored another flawless landing of its reusable New Shepard rocket on Sunday, and also tested a crash-landing scenario for its unmanned crew capsule. Check out the video to see it come down.