Robotics

Artificial muscles help robot vacuum manipulators get a grip

The robot grippers designed by Professor Stefan Seelecke and his team at Saarland University can grip and manipulate objects with complex geometries. The system can adapt almost instantaneously to changes in form, switching ...

Energy & Green Tech

How electric vehicles could fix the grid

Transportation is the single biggest source of greenhouse gas emissions in the United States, accounting for about a third of all emissions. We could quickly lower those emissions by electrifying vehicles, but there's just ...

Electronics & Semiconductors

New transistor could cut 5% from world's digital energy budget

A new spin on one of the 20th century's smallest but grandest inventions, the transistor, could help feed the world's ever-growing appetite for digital memory while slicing up to 5% of the energy from its power-hungry diet.

Energy & Green Tech

Researchers protecting solar technologies from cyberattack

New research from the University of Georgia suggests a novel approach to safeguarding one possible target of a cyberattack—the nation's solar farms. In a study published in IEEE Transactions on Smart Grid, a team in UGA's ...

Telecom

Image: Roof of the satnav world

A small forest of antennas sprouts from the roof of ESA's Navigation Laboratory, based at the ESTEC technical center in the Netherlands, which is among the most frequently satnav-fixed locations on Earth. This is also the ...

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Electric current

Electric current is the rate of flow of electric charge. The electric charge that flows is carried by, for example, mobile electrons in a conductor, ions in an electrolyte or both in a plasma.

The SI unit of electric current intensity is the ampere. Electric current is measured using an ammeter.

This text uses material from Wikipedia, licensed under CC BY-SA