Riddle Me This: Bridge Crossing
How quickly can Alan, Bob, Cal, and Dan all get across the bridge safely? Riddle me this ...
10 Crazy Uses for Completely Frictionless Surfaces
Concepts like the “frictionless surface” enabled Newton to lay the groundwork for modern physics. He may never have imagined that his ideal could actually be achieved, but now, thanks to a group of tribologists (scientists who study interacting surfaces in relative motion), the prospect of eliminating friction between two interacting surfaces has come to fruition.
Riddle Me This: A Spinning Disk
Can you determine which way the disk is spinning? Riddle me this ...
How Ultrasonic Welding Works
Traditionally, materials have been bonded together by fasteners such as nails, screws or thread, which are appropriate for metals, wood, fabrics and plastics. For many plastics, glues have been used. Glue forms a chemical bond between itself and the surface of the plastic material to be conjoined.
Riddle Me This: Mixing Medicine
You have been feeling very sick lately and decide to visit your doctor. Riddle me this ...
Famous Engineers: Nikola Tesla
The name “Tesla” is most often associated with the electric-powered car manufactured by Telsa, Inc., named after inventor Nikola Tesla. Because Thomas Edison and other inventors received more notoriety and have been celebrated for inventions and concepts pioneered by Nikola Tesla, few people know how truly brilliant and pioneering Tesla was ...