A file photo of children gathered at the Jawaharlal Nehru Planetarium to witness the zero shadow phenomenon Can you calculate the circumference of the earth using the length of a shadow? Sounds ...
Bengalureans to observe no-shadow day today; experts explain this annual occurrence Bengalureans will witness their shadows playing tricks for the second time this year, lasting two minutes today.
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 ...
Physicists have made a groundbreaking discovery that challenges the traditional understanding of light by demonstrating that ...
Winter solstice occurs this year on Dec. 21 at 4:19 a.m. ET. You can see your longest shadow on the winter solstice. Be a scientist and get a pen, notepad and measuring tape to record your shadow.
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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