Extraterrestrial life, that familiar science-fiction trope, that kitschy fantasy, that CGI nightmare, has become a matter of serious discussion, a "risk factor," a "scenario." How has ET gone from sci-fi
The speed of light is torturously slow, and these 3 simple animations by a scientist at NASA prove it
A series of new animations by a NASA scientist show just how zippy — and also how torturously slow — the speed of light can be. Light speed is the fastest that any material object can travel through space.
On the cusp of yet another trip around the Sun, I found myself wondering how many alien civilizations within this sector of our Milky Way might have already come and gone? That is, bitten the dust due
Light is the fastest thing in the universe, so trying to catch it on the move is necessarily something of a challenge. We’ve had some success, but a new rig built by Caltech scientists pulls down a mind-boggling