Researchers Create Indoor Hailstorm
Researchers have created an indoor, artificial hailstorm to test the impact on roofing material. Engineers from the Insurance Institute for Business & Home Safety (IBHS) designed and built multi-barreled cannons that can shoot thousands of hailstones -- with diameters of 1-inch, 1.5-inch and 2-inch -- up to 76 miles per hour.
Life's Little Mysteries: Gift Edition Hardcover Book
Uncover the truth behind more than 100 mysteries that surround us every day with our new hardcover book! Perfect for gifts and classrooms, and suitable for all ages. Some of the included mysteries are:
- Why Do Cats Land on Their Feet?
- How Long Does it Take to Make Petrified Wood?
- What Everyday Things Around Us Are Radioactive?
Find out all of this and much, much more in our NEW hardcover book.
It makes a great gift idea for all ages. more info>>