Sound at the right vibration can bore holes through a solid object.
134
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Nearly 50% of the world's scientists are assigned to military projects.
71
Aluminum used to be more valuable than gold!
84
Sound travels fifteen times faster through steel than through air.
134
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The bark of an older redwood tree is fireproof.
65
Liquid TIDE laundry detergent glows under a blacklight.
96