Engineering

A battery-free sensor for underwater exploration

To investigate the vastly unexplored oceans covering most our planet, researchers aim to build a submerged network of interconnected sensors that send data to the surface—an underwater "internet of things." But how to supply ...

Engineering

Wearable sensors detect what's in your sweat

Needle pricks not your thing? A team of scientists at the University of California, Berkeley, is developing wearable skin sensors that can detect what's in your sweat.

Engineering

Wireless sensors stick to skin and track health

We tend to take our skin's protective function for granted, ignoring its other roles in signaling subtleties like a fluttering heart or a flush of embarrassment.

Engineering

Fukushima nuclear plant out of space for radioactive water

The utility company operating Fukushima's tsunami-devastated nuclear power plant said Friday it will run out of space to store massive amounts of contaminated water in three years, adding pressure on the government and the ...

Robotics

Arque is a seahorse-inspired artificial tail

Why would a fairly sane person want to walk around with a robotic tail? Getting technical (or clinical) there are plausible reasons posed by three researchers in Japan, and they are getting much attention.

Robotics

Robotic cane shown to improve stability in walking

By adding electronics and computation technology to a simple cane that has been around since ancient times, a team of researchers at Columbia Engineering have transformed it into a 21st century robotic device that can provide ...

Engineering

Military researchers see non-lethal role for talking lasers

Say what? Laser plasma balls that can talk? The Pentagon? How, and for what? The answer is that instead of beaming a flashing light or shouting over a loudspeaker to keep people away from sensitive areas, new technology is ...

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