A ball of glass will bounce higher than a ball made of rubber.
73
Liquid TIDE laundry detergent glows under a blacklight.
96
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Sound at the right vibration can bore holes through a solid object.
134
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0