Search result: laser

The Laser Interferometer Gravitational-Wave Observatory ( or LIGO) is a large-scale physics experiment and observatory to designe to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool.

Do Contrails Impact Climate Change ? During the 3 days that commercial aircraft were grounded as a result of the 911 attacks most of the contrails in the sky’s over the U.S. and Canada disapeared, This reduction in cloud cover resulted in the average temperature increasing by 1.8 degrees celcius for this 3 day period.

A More Efficient Solar Cell Solar Photovoltaics work in a similar way to that of photosynthesis in plants. Light energy is absorbed and converted into a different form of energy. In this process, it is important to use as much of the of the sun’s light spectrum as possible and then trap the light from […]

Searching the Universe May Now Be A Lot Easier. Looking up at the night sky so expansive and seemingly endless, stars and constellations blinking and glimmering like jewels just out of reach one finds that it is impossible not to wonder: Are we alone?

New Research for Mobile Robots. The days of mobile autonomous robots that can move freely, recharge easily and perform many of the tasks that as humans we do not like to do are coming faster than you might think. What we will do with ourselves when we do not have to drive, cook, clean or […]

An Important Nanotechnology Break Through. Everything these days seems to be going 3-D or even 4-D. The future of movies and manufacturing may be in 3-D, but electronics and photonics are going 2-D, specifically, two-dimensional semiconducting materials.

The Violent Conditions Of The Universe. Conditions in the vast universe can be quite extreme: Violent collisions scar the surfaces of planets. Nuclear reactions in bright stars generate tremendous amounts of energy. Gigantic explosions catapult matter far out into space. But how exactly do processes like these unfold? What do they tell us about the […]

Using Technology – Tracking Greenland’s Ice Melt. Researchers from MIT, Princeton University, and elsewhere have developed a new technique to monitor the seasonal changes in Greenland’s ice sheet, using seismic vibrations generated by crashing ocean waves.

A More Accurate Atomic Clock on the Way. Measuring time using oscillations of atomic nuclei might significantly improve precision beyond that of current atomic clocks. Physicists have now taken an important step toward this goal.

Why Do We Need A Next Generation Of Terahertz Systems? In physics, terahertz radiation refers to electromagnetic waves propagating at frequencies in the terahertz range.The term typically applies to electromagnetic radiation with frequencies between high-frequency edge of the microwave band, 300 gigahertz (3×1011 Hz), and the long-wavelength edge of far-infrared light, 3000 GHz (3×1012 Hz or […]

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