Graphene's high-speed seesaw

A new transistor capable of revolutionizing technologies for medical imaging and security screening has been developed by graphene researchers from the Universities of Manchester and Nottingham.

Verification testing of Japan's first medical body area network

Fujitsu today announced that it has successfully completed the first verification test in Japan for a medical body area network (mBAN). Conforming to IEEE 802. 15.6 standards and using a prototype device with a frequency ...

INRS overcomes a hurdle in the development of terahertz lasers

Dr. Roberto Morandotti and his team at the INRS Énergie Matériaux Télécommunications Research Centre have developed a device that is critical to the use of terahertz (THz) sources for a variety of applications.

Low-frequency radio emissions from high-altitude sprite discharge

When lightning strikes from a towering cumulonimbus cloud down to the ground, the electrical discharge can perturb the atmosphere's electric field, potentially triggering a second event-sprite discharge. This more elusive ...

One size cloaks all

A metamaterial invisibility cloak that can adapt to hide different sized objects is demonstrated by in Nature Communications this week. The findings represent a useful advance for more practical applications of metamaterial ...

NASA spacecraft records 'Earthsong'

Nobody ever said anything about singing, though. A NASA spacecraft has just beamed back a beautiful song sung by our own planet.

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