Riddle Me This: The Game Show
Choose a door out of three. Open the first to a losing door. Do you switch after?
The Construction of San Francisco’s Golden Gate Bridge
The Golden Gate Bridge is one of the most internationally recognized symbols of California. Initially designed by engineer Joseph Baermann Strauss in 1917, the Golden Gate Bridge links San Francisco and Marin County and spans the Golden Gate Strait, which separates San Francisco Bay from the Pacific Ocean ...
Riddle Me This: Haunted Hotel
How will Alan and Bob transfer a valuable ring while avoiding ghosts and thieves?
Five Women Who Have Broken New Ground in Engineering
Although not widely known, a small number of women have achieved impressive engineering accomplishments that have changed the way the world lives, works, and plays ...
Riddle Me This: Two Trees and An Island
How can you use the rope as a means to get to the island in the middle of the lake?
Why the U.S. Isn’t On the Metric System
Try ordering a 113.3981-grammer burger at your local McDonald’s or Burger King. And then don’t be surprised when they don’t understand your order! That’s because the United States has not yet fully adopted the metric system. As a result, most U.S. citizens are not familiar with it ...
Riddle Me This: Two Hourglasses
Using just two hourglasses, how can you accurately time fifteen minutes?
Why are Blueprints Called Blueprints?
Have you ever wondered why blueprints are called blueprints? The answer is surprisingly simple. The first blueprint was developed in 1842 by John Herschel, an American chemist, astronomer and photographer ...
Riddle Me This: Chair Design
How will the clever old man set his watch so that it tells the correct time at least twice a day?
Engineering Oddities: The Leaning Tower of Pisa
The Leaning Tower of Pisa has experienced many phases of construction and attempted remedies throughout its history. Its construction began in 1173 AD, and by the end of this initial phase, a tilt was already noticeable ...