The invention of tiny devices capable of precisely controlling the direction and behavior of light is essential to the ...
Applied physicists in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have demonstrated a new ...
In a discovery that challenges conventional optics, scientists have managed to make a laser beam cast its own shadow—a feat previously thought impossible, as light typically passes through other light ...
Add Yahoo as a preferred source to see more of our stories on Google. On the night of May 16, a large beam of light resembling a spotlight was seen shooting into the night sky in the Southwest, but ...
A team of scientists has found that the narrow beam of a laser, under specific conditions, can cast a shadow — a counterintuitive finding that could open the doors for new applications of optical ...
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A startup wants to beam sunlight from space at night – what we know and what’s still uncertain
A California startup wants to bounce sunlight from orbit onto Earth after dark, and the idea is stirring up serious debate. Supporters picture brighter nights for emergencies and extended productivity ...
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