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.
The Thresher Submarine Accident
The newest and most advanced nuclear submarine of the U.S. Navy at the time, the USS Thresher, was continuing with sea trials on April 10, 1963. After commencing a scheduled dive to test depth, the Thresher reported "minor difficulties" to its escort. Shortly after that, sonar recorded the sounds of ...
The January Ethical Dilemma: Knowing More Than She Reveals
The Board has had occasion to consider the issue of falsification or misrepresentation of academic or professional qualifications on a number of occasions. The issue of falsification or misrepresentation of academic...
January 2022 Pop Quiz for Engineers
Will your score on this month's quiz make you happy this NEW YEAR? Here's the January 2022 Pop Quiz for Engineers. Are you smarter than an undergraduate?
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 ...
The December Ethical Dilemma: Employer Violation
Adam becomes aware of this practice and calls a "hotline" publicized in a technical publication and reports his employer's activities...
The Tay Bridge Disaster
In the late 1800s, when railroads were beginning to connect every corner of the United Kingdom, the National Board of Railroads commissioned a bridge over the Firth of Tay. This bridge was to have a high span so that sailing ships plying between the UK and Australia...
December Pop Quiz for Engineers
Will you SLEIGH this month's quiz? Here's the December 2021 Pop Quiz for Engineers. Are you smarter than an undergraduate?