Remember the “Wow!” signal? That high-energy radio signature occurred in 1977, when Earth was much “quieter” in the radio band. If it happened today, it probably wouldn’t even move the needle on the background noise of human radio...
At the bottom of the ocean, optical fibers transmit telecommunications and internet data around the world. Waveguides make that feat possible by channeling and amplifying the light—and therefore the data within—over enormous distances. Go to Source
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A mysterious background of extremely low-frequency gravitational waves detected by networks of pulsars may carry information about events that began more than 13 billion years ago—including the formation of some of the first supermassive black holes in the universe....
Some of Earth’s microbes likely to hitch a ride to space with human explorers could survive in the shaded nooks and crannies of the moon’s South Pole region, NASA scientists say. Go to Source
