Look at the back of a spoon and your reflection appears right side up. Look into a spoon’s bowl, and your reflection’s upside down. How come?
A “heiligenshein,” is German for halo. This is a glowing light around the head and shoulders of your shadow. It’s likely to be seen by early morning golfers on dewy grass.
As sunlight enters our atmosphere, it bends slightly. This is due to refraction, the same thing that makes a pencil look slightly askew when you stick it half way into a glass of water.
In 2018 biologists reported that the elephantnose fish can sense qualities they called “electric colors.”
There's proof that until the 17th century, people's natural sleep patterns were to sleep when it first got dark, wake up for a few hours, and then have another extended sleep.
The blue light from your phone can trick your retinal cells into thinking it's daytime.
Today, we have a simple activity about perception that you can accomplish with a pot of water and a ruler.
How do plants at the bottom of forest floors get enough light?
Sometimes, under the right circumstances, you'll see a mysterious dark patch in an otherwise wonderfully reflective lake. Why?
If you have some dish soap, a mug, and a bright light, we have a science experiment for you to try.