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Of all the environmental amenities that this hospitable planet provides, the magnetic field is perhaps the strangest and least appreciated. It has existed for more than three and a half billion years but fluctuates daily.
Tags » Gravitational Waves
"Magnetism, you recall from physics class, is a powerful force that causes certain items to be attracted to refrigerators"*...
It’s been a year since researchers with the Laser Interferometer Gravitational-wave Observatory (LIGO) announced the first direct observations of gravitational waves, the oscillations in the fabric of space and time created by powerful cosmic events—like the merging of two massive black holes. 259 more words