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To make fusion energy a viable resource for the world’s energy grid, researchers need to understand the turbulent motion of plasmas: a mix of ions and electrons swirling around in reactor vessels. The...
Electromagnetic pulses lasting one millionth of a millionth of a second may hold the key to advances in medical imaging, communications and drug development. But the pulses, called terahertz waves, ha...
A change to a more challenging environment could, over time, re-ignite and grow old parts of the brain that have gone inactive, according to a study of army ants led by a Drexel biology professor.
Seeing Quantum Motion     Quantum Motion       2015/9/8
Consider the pendulum of a grandfather clock. If you forget to wind it, you will eventually find the pendulum at rest, unmoving. However, this simple observation is only valid at the level of classica...
Giant stars die a violent death. After a life of several million years, they collapse into themselves and then explode in what is known as a supernova.How these stars explode remains a mystery. Howeve...
University of California, Berkeley, geologist William Dietrich pioneered the application of airborne LIDAR – light detection and ranging – to map mountainous terrain, stripping away the vegetation to ...
In a landmark study, scientists at The University of Queensland (UQ) have simulated future ocean conditions and found climate change will jeopardise the future of coral reefs.
We analyze the generation of polarization cross-talk in Stokes polarimeters by atmospheric seeing, and its effects on the noise statistics of spectropolarimetric measurements for both single-beam and ...
A simple technique of measurement of seeing in daytime and nighttime, based upon drift-scan observations,is presented, along with observational examples. This experience can be repeated easily in clas...
Douglas R. Hardy was wary of releasing his most recent research into the disappearing glaciers of Mount Kilimanjaro.With a clarity similar to the view on a cloudless day from the top of Kilimanjaro, H...
A scheme to couple the motion of a single atom with a crystal membrane could enable quantum-mechanical effects to be seen on a larger scale than ever before. The idea, which has been proposed by resea...
Surface layer seeing at san Pedro Mártir revisited。
Seeing Measurements at San Pedro Mártir Observatory using the DIMM Method。
The seeing at San Pedro Mártir observatory as measured using the dimm method。

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