Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow. The ...

“The sun does not shine there, nor the moon, nor the stars, nor lightning. How can this fire illuminate that Supreme Light?”In India, where faith and science often walk side by side, there stands a ...

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 ...

Bengaluru: Residents of Bengaluru are in for a celestial treat this Thursday, April 24, as the city experiences the rare phenomenon known as Zero Shadow Day. At precisely 12:17pm, the sun will be ...

Residents of Hyderabad will experience the rare astronomical phenomenon known as ‘Zero Shadow Day’ on May 9, when the Sun ...