The Engineering of Roller Coasters
Roller coasters descended from monumental ice slides — long, steep wooden slides covered in ice — that were popular in 16th- and 17th-century Russia. But historians diverge on the exact evolution of these ice slides into actual roller coasters.
Riddle Me This: How Many?
Test your skills of deduction with the March 2023 edition of Riddle Me This: How Many? How many four-sided 90-degree shapes (squares and rectangles) are there in the diagram shown?
The Tacoma Narrows Bridge Collapse
The first Tacoma Narrows Bridge was a suspension bridge in the state of Washington that spanned the Tacoma Narrows strait of Puget Sound between Tacoma and the Kitsap Peninsula. It opened to traffic on July 1st, 1940. Sleek and slender with a length of 7,392 feet, it was the third-longest suspension bridge in the world at the time, following the George Washington Bridge in New York City, and the Golden Gate Bridge in San Francisco.
The February Ethical Dilemma: Can a Proposal Be Too Detailed?
A village board made known its interest in receiving what it called “proposals” in connection to a contemplated water project, with an estimated construction cost of $500,000, to be financed in part with funds under a federal-aid program.
February 2023 Pop Quiz for Engineers
Will you LOVE your score on this month's quiz? Here's the February 2023 Pop Quiz for Engineers. Are you smarter than an undergraduate?
Riddle Me This: Knights or Knaves?
John was visiting an island where all the inhabitants are either Knights—always tell the truth, or Knaves—always lie. John meets three of the inhabitants. A woman named Jackie, and two men named Ben and Don. He asked Jackie “Are you a Knight?” She replied under her breath so he couldn’t hear her.
