Physics

Physicists shine a light on particle assembly (w/ video)

New York University physicists have developed a method for moving microscopic particles with the flick of a light switch. Their work, reported in the journal Science, relies on a blue light to prompt colloids to move and then assemble—much like birds flock and move together in flight.

Solar power: Is it time for the big push?

There are big expectations for solar power in the coming years. Four renowned scientists in the field discuss what's needed now for a big push, including breaking barriers in research and industry.

Slowing down microwaves in a chip

EPFL scientists have succeeded in capturing a microwave pulse within a chip for several milliseconds before releasing it with little loss. This extraordinary delay normally requires hundreds of miles of electrical cable, as well as amplifiers.

Research on lithium coatings unlocks mystery surrounding the harnessing of fusion energy

(Phys.org)—The research of a multi-institutional team from the U.S., Japan, and France, led by Predrag S. Krstic of the Joint Institute for Computational Sciences and Jean Paul Allain of Purdue University has answered the question of how the behavior of plasma—the extremely hot gases of nuclear fusion—can be controlled with ultra-thin lithium films on graphite walls lining thermonuclear magnetic fusion devices.

Flat boron by the numbers: Researchers calculate what it would take to make new two-dimensional material

Physicists detail several possible routes to the creation of two-dimensional sheets of boron. They say such sheets would be more conductive than graphene and thus useful in electronic applications.

X-rays capture electron 'dance'

(Phys.org)—The way electrons move within and between molecules, transferring energy as they go, plays an important role in many chemical and biological processes, such as the conversion of sunlight to energy in photosynthesis and solar cells. But the fastest steps in this energy transfer have eluded detection.

Mystery surrounding the harnessing of fusion energy unlocked

Scientists have answered the question of how the behavior of plasma -- the extremely hot gases of nuclear fusion -- can be controlled with ultra-thin lithium films on graphite walls lining thermonuclear magnetic fusion devices.

Researchers build switchable magnetic logic gate

(Phys.org)—A team of scientists from several research centers in South Korea, has succeeded in building a logic circuit that is based on switchable magnetism, rather than electronics. They describe their research and a prototype they've built in a paper they've had published in the journal Nature.

Doubt cast on late British astronomer Sir Bernard Lovell's 'brainwashing' by Soviets

A new article casts doubt on the alleged "brainwashing" of the late British astronomer Sir Bernard Lovell by the Soviets at the height of the Cold War and explains how his trips beyond the Iron Curtain laid the foundations for the easing of geopolitical tensions between the UK and the USSR.

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