I smiled when I saw the perchloric acid part.
What did the 19th century molecular model look like?
It's a pity that no one filmed the video.
Bird murder: assassination of a bald sea eagle
Ingenious use of Refractive Index experiment
Learn in a second! You can also do "suspension in a bottle."
Demonstration experiment on structural color
Dripping alcohol makes the blue wings turn green-what happens to dripping water?
See how the researchers collect tears.
Boing, why put a note in someone's eye...
Charming structural color
That touch of blue is the color created by "grease"
When you start to love yourself, the world will begin to love you.
Love yourself for a life you can't start over.