In this Moment of Science, we explain how and why the collapse of the Twin Towers occurred.
To be able to withstand a bomb blast, a luggage container must be made of pretty strong stuff. The magic ingredient in the best-known bombproof container is called Glare, which is short for “reinforced glass.”
Surprisingly, snow makes good insulation. In physics, an insulator is a material that does not conduct heat very well, like an oven mitt.
While in the tube, the worm’s tail end might be immersed in temperatures as hot as 178 degrees Fahrenheit, while its head rests in cooler water, as moderate as 72 degrees Fahrenheit.