Energy & Green Tech

New highly radioactive particles found in Fukushima

The 10 year anniversary of the Fukushima Daiichi nuclear accident occurs in March. Work just published in the Journal Science of the Total Environment documents new, large (> 300 micrometers), highly radioactive particles ...

Energy & Green Tech

Core design strategy for fire-resistant batteries

All-solid-state batteries are next-generation batteries that can simultaneously improve the stability and capacity of existing lithium batteries. The use of non-flammable solid cathodes and electrolytes in such batteries ...

Consumer & Gadgets

Why do smoke alarms keep going off even when there's no smoke?

Editor's note: MVS Chandrashekhar is a professor of electrical engineering at the University of South Carolina. In this interview, he explains how smoke detectors work and why they sometimes sound an alarm for what seems ...

Hardware

Fujifilm, IBM unveil 580-terabyte magnetic tape

When it comes to magnetic tape storage capacity, smaller is larger. That is, as the magnetic particles that store data become smaller, more data can be stockpiled in the same amount of space.

Energy & Green Tech

Charging electric cars up to 90% in six minutes

With Telsa in the lead, the electric vehicle market is growing around the world. Unlike conventional cars that use internal combustion engines, electric cars are solely powered by lithium ion batteries, so the battery performance ...

Consumer & Gadgets

Fuji envisions 400TB tape drive

Fujifilm announced a technological breakthrough that will allow it to construct a massive 400 terabyte tape cartridge by the end of the decade.

Energy & Green Tech

High-frequency transistors achieve record efficiency at 100 volts

Researchers at the Fraunhofer Institute for Applied Solid State Physics IAF have succeeded in significantly increasing the output power of their GaN‑based high‑frequency transistors for the frequency range from 1–2 ...

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