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 ...

Your shadow is one of the very few things that stays with you throughout your entire life. You may only notice it in harsh light, or when it makes funny shapes, but it’s always there. So what happens ...

Add Futurism (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. A team ...

You can’t understand light without also knowing darkness. It’s like you can’t understand true happiness unless you also experience sadness. The best design comes when there’s a balance between light ...

After sifting through possible names for this blog, I settled on Light and Shadow—not Light and Darkness, not Black and White. My first entry, “Surprised by the Light: Lessons from a Junkyard,” ...

Researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow, opening new possibilities for technologies that could use a laser beam to control ...