News tagged with electrical field

Multiview 3-D photography made simple

Computational photography is the use of clever light-gathering tricks and sophisticated algorithms to extract more information from the visual environment than traditional cameras can.

dateJun 19, 2013 in Engineering
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Magnetic shielding of ion beam thruster walls

Electric rocket engines known as Hall thrusters, which use a super high-velocity stream of ions to propel a spacecraft in space, have been used successfully onboard many missions for half a century. Erosion of the discharge ...

dateFeb 13, 2013 in General Physics
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Explainer: What is a superconductor?

Materials can be divided into two categories based on their ability to conduct electricity. Metals, such as copper and silver, allow electrons to move freely and carry with them electrical charge. Insulators, such as rubber ...

dateMar 05, 2015 in Superconductivity
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Kinetic battery chargers get a boost

New technology to capture the kinetic energy of our everyday movements, such as walking, and to convert it into electrical energy has come a step closer thanks to research to be published in the International Journal Biomechatronics ...

dateFeb 19, 2014 in Energy & Green Tech
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Stellar winds may electrify exoplanets

( —The strangest class of exoplanets found to date might be even stranger than astronomers have thought. A new model suggests that they are partially heated by electric currents linked to their host stars. Florida ...

dateJun 05, 2013 in Astronomy
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