Drinking Brid
Q. There are many many explanation of the drinking bird on the web - just google "Drinking Bird" and you'll find more information than you could ever want! Here I'll write only a brief description of what causes the bird to drink.
Q. There are many many explanation of the drinking bird on the web - just google "Drinking Bird" and you'll find more information than you could ever want! Here I'll write only a brief description of what causes the bird to drink.
Q. In DR we saw a little fan in a glass bulb. When we turned on a light shining on the fan it began to spin. Why?
Q. What happens to a metal plate when it's heated? What about if the plate has a hole in the center?