In the experiment, a high-power green laser passed through a ruby cube, illuminated from the side by a blue laser. The green laser increased the ruby’s absorption of the blue light, creating a darker ...
A new experiment has demonstrated something that sounds physically impossible – light itself casting a shadow. It turns out that if you manipulate a laser just right, then hit it side-on with another ...
HALLOWEEN. WHAT HAPPENED TO SPOOKY SEASON? THE COUNTDOWN CONTINUES TO THE BIG EVENT AND WE’RE TURNING OFF THE LIGHTS AT THE ORLANDO SCIENCE CENTER. MARQUISE MEDA SHOWS US HOW AN ANCIENT FORM OF ...
A total solar eclipse will darken a swath of North America as the Moon blocks the light of the Sun for a few minutes on April 8, 2024. In addition to casting a breathtaking, passing shadow over the ...
Let's Learn is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...
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