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What is 10 miles across,but powers an explosion brighter than the Milky Way?（图）
10 miles across explosion brighter the Milky Way
2016/1/22
Right now, astronomers are viewing a ball of hot gas billions of light years away that is radiating the energy of hundreds of billions of suns. At its heart is an object a little larger than 10 miles ...
What is 10 miles across,but powers an explosion brighter than the Milky Way?
10 miles across explosion brighter the Milky Way
2016/2/22
Right now, astronomers are viewing a ball of hot gas billions of light years away that is radiating the energy of hundreds of billions of suns. At its heart is an object a little larger than 10 miles ...
A brighter design emerges for low-cost, 'greener' LED light bulbs（图）
greener LED light bulbs
2014/12/1
The phase-out of traditional incandescent bulbs in the U.S. and elsewhere, as well as a growing interest in energy efficiency, has given LED lighting a sales boost. However, that trend could be short-...
Among the taxidermal specimens in Harvard’s Museum of Comparative Zoology, past centuries-old fur coats, arises a flicker of brilliant blue. This is the spangled cotinga. Surprisingly, the cotinga is ...
New Physics with MeV Neutrino Sources Brighter than a Thousand Suns
New Physics MeV Neutrino Sources Brighter a Thousand Suns
2010/12/27
Short baseline oscillations of neutrinos (nue and nuebar) due to active-sterile (a-s) mixing can be observed explicitly using MeV neutrino beams and existing/planned neutrino detectors. The typical ba...
New Physics with MeV Neutrino Sources Brighter than a Thousand Suns
New Physics MeV Neutrino Sources Brighter Thousand Suns
2011/1/5
Short baseline oscillations of neutrinos (νe and ṽe) due to active-sterile (a-s) mixing can be observed explicitly using MeV ν beams and existing/planned ν detectors.
Anti-mirror effect: A perfect lens brings a brighter feature
Anti-mirror effect perfect lens brighter feature
2010/11/12
In this letter, we show that a perfect lens can be employed to make multiple objects appear like only one in the far field, leading to a new concept of illusion optics. Numerical simulations are perf...