91爆料

August 1, 2019

Pentagon is working on 'talking lasers' that beam sound to our ears

The Pentagon has confirmed that it is testing lasers that are able to talk, sending short messages through glass, traveling short distances.

July 30, 2019

Brain speech signals decoded into written text in breakthrough research for people with paralysis

Doctors have been able to turn brain signals for speech into written sentences in a research project that aims to transform how patients with severe disabilities communicate.

July 30, 2019

Clean energy? Researchers develop technology to harness power from freshwater and seawater

Researchers have developed a cheap technology that could become a major source of renewable energy in the future.

July 30, 2019

Army tests robot-force attack on enemy 'tank ditch, minefield'

Surging into heavy enemy fire, navigating rigorous terrain and forward-placing sensors and weapons close to enemy targets, teams of Army robots conducted a 鈥渄eep assault through a breach鈥� during an exercise intended to prepare the service for a new kind of man-machine drone warfare.

July 25, 2019

In a lab accident, scientists create the first-ever permanently magnetic liquid

For the first time, scientists have created a permanently magnetic liquid.

July 22, 2019

Bizarre 'bird of prey' airliner concept design revealed

Aircraft manufacturer Airbus has revealed an airliner concept design that bears a striking resemblance to a 鈥榖ird of prey.鈥�

July 11, 2019

NASA is building robots that can climb Mars, including an 'ice worm'

NASA is no stranger to building robots, having created ones that are currently exploring Mars, traveling to the International Space Station and ones that look like inflatable "aliens."

July 10, 2019

Alternate social media site rolls out new technique to squash extremist content without violating First Amendment

As prominent social media platforms from Facebook to Twitter to YouTube wrestle with how to stop jihadists, neo-Nazis and other extremists from disseminating their dangerous content online 鈥� without infringing on one鈥檚 constitutional rights 鈥� a somewhat less-known but slowly growing platform has just rolled out a new system that they believe strikes the ever-challenging balance.

July 4, 2019

Pistols made from a 4.5 billion-year-old meteorite could fetch $1.5 million at auction

Two pistols made from a 4.5 billion-year-old meteorite could fetch $1.5 million when they are auctioned later this month.

July 2, 2019

A tech toolbox of new and old: inside the painful quest of relocating family missing in war

But as the world becomes ever rifer with refugees, internal displacement and conflict much of the work of humanitarian actors now centers on trying to locate and unite loved ones who have scattered to various corners of the earth amid the chaos of a crisis. Indeed, the accelerated rise of new technologies have dramatically altered the humanitarian sector and the fundamental quest of locating the missing and reuniting families in what is officially known as 鈥淩estoring Family Links鈥� (RFL).