While a stove or oven produces heat, a fridge can’t actually produce something called “cold.” So, how does a refrigerator manage to keep all your food cool?
We have to engineer it. We must design a system that can carefully remove heat and put it somewhere else.
See the complete answer on the Dr. Universe website, featuring Jake Leachman, from Washington State University’s college of engineering.
There are a lot of different grasshoppers living on our planet. In fact, scientists have discovered more than 11,000 species. » More …
When the northern lights come out, beautiful, colorful patterns stretch across the night sky. But they begin with a star that is millions of miles away: our sun.
See the full answer at the Dr. Universe website.
If you were to travel around the world, the word “science” might look or sound very different. In Spanish, it’s ciencia. In Japanese, 理科. In German, wissenschaft! And in French…
» More …