A ball of glass will bounce higher than a ball made of rubber.
73
The smell of freshly cut grass is actually a plant distress call.
31
Sound at the right vibration can bore holes through a solid object.
134
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20