NASA missions harvest a passel of 'pumpkin' stars

Astronomers using observations from NASA's Kepler and Swift missions have discovered a batch of rapidly spinning stars that produce X-rays at more than 100 times the peak levels ever seen from the sun. The stars, which spin ...

date4 hours ago in Astronomy
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Steering a fusion plasma toward stability

Plasmas in fusion-energy producing devices are gases heated to millions of degrees that can carry millions of amperes of current. These superhot plasmas must be kept away from material surfaces of the vacuum vessel that contains ...

date2 hours ago in Plasma Physics
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