The Holy Grail for Light Speed Travel Is Unlimited ‘Vacuum Energy’—And Scientists Desperately Want to Harness It

Casimir cavities are mysterious spaces between microscopic metal plates in a vacuum. Areas of diminished energy between the plates cause them to push toward each other, as if trying to fill the ...

Could alien signals have already reached Earth undetected?

Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...
The Daily Galaxy on MSN

Alien signals could have already reached us: Why haven’t we detected them?

For decades, scientists have been actively searching for signs of extraterrestrial life. Fromradio waves to laser flashes and ...

Did alien signals reach Earth? If they did, why have they gone undetected

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Knowridge Science Report

Why we may still be waiting for an alien signal

The findings suggest that if alien technologies exist, they are probably rare, distant, or long-lasting rather than frequent and nearby. Instead of expecting an obvious signal to appear soon, ...