When you press, twist, squeeze, or pull on your fingers, you get that satisfying crack sound. For some people it鈥檚 a force of habit, others just like the feeling. Whether you just wince at the...
Introduced in 1979, the Papermate Erasermate offered something that, up until then, had been science fiction: an erasable pen. While correction fluids and tape were a well-established solution to...
Say acetone, and what comes to a chemist鈥檚 mind? Washing laboratory glassware is a good bet. Actually, the prime use of acetone is to produce polymethyl methacrylate, better known as Plexiglas....
Squirrels, in theory, can survive a fall from an object of any height due to two factors: their size and their mass. A force (such as the force of gravity) is calculated by multiplying mass and...
It was an honour to speak to a ghost. He looked quite normal and even knew how to operate a computer. Truth be told, he wasn鈥檛 a real ghost, but some people thought he was.