Robots can help when parts are too heavy. These robots are building cars. They can lift the heavy pieces to put the car together.
Photo Credit: Phonlamai Photo/Shutterstock
In the Know
Growing Duckling
A duckling will have traits like its parents. A trait … read more
In the Know
What Can You Learn with Lenses?
How can you magnify something? You can use lenses. Lenses … read more
In the Know
Can You Hear the Stars?
Wanda Díaz-Merced is an astronomer. But she does not see the stars. She … read more