Have you ever wondered why waterfalls appear white when still water is transparent? Why clouds, or snow, appear white when they too are essentially just water molecules in different states? What makes something white, opaque or transparent? These are the questions CrowdScience listener Gerardo has been pondering ever since taking in the beauty of fallen wate ... Show More
Jul 4
Can we harness solar energy from other stars?
Listener Dickson Mukisa from Uganda has been gazing up at the stars. But he’s not making wishes. He wants to know whether we can harness their energy, in the same way we do with our OWN star – the sun. After all, they may seem small and twinkly to us, but each one is a gigantic f ... Show More
26m 28s
Nov 2023
How are red, yellow, and blue made for paint?
What does painting the most splendid sunset and the most radiant rainbow have in common? They both require lots of beautiful paint colors! We can blend colors to make orange, green, and purple, but how do we make primary colors like red, yellow, and blue? We asked color science p ... Show More
5m 39s