Lessons Learned: The Collapse of World Trade Center Building 7 (WTC)
Unlike the Twin Towers, WTC 7 was not directly hit by an airplane, yet it collapsed completely, making it the first known instance of a tall building brought down primarily by uncontrolled fires. This article aims to explore the structural causes behind the collapse of WTC 7 from an engineering perspective.
The December Ethical Dilemma: Recruitment Finder’s Fee
Engineer Raymond received an unsolicited letter and explanatory material from a commercial firm engaged in manpower placement, offering a monetary bonus to Raymond if he provided names of qualified engineers.
December 2023 Pop Quiz for Engineers
Get in the HOLIDAY SPIRIT and score high on this month's quiz. Here's the December 2023 Pop Quiz for Engineers. Are you smarter than an undergraduate?
What is MHD?
Magnetohydrodynamics (MHD) – a specialized field marrying fluid dynamics and magnetism – delves into the behavior of electrically conducting fluids, such as saltwater or plasma, under the influence of magnetic fields. Beyond its intriguing theoretical constructs, one of its most promising applications lies in water propulsion.
Riddle Me This: What’s My Number?
Engineer Bob parks his car in a public parking lot. Getting out of the car, he sees a sign that reads: “After parking, driver must pay the cashier and identify the parking slot by the number painted on the concrete.”
The November Ethical Dilemma: Disclosure of Previous Work by a Consultant
Engineer Mitch agrees to provide consulting services to RMF, Inc., in connection with the development of a new product for manufacture. He develops a preliminary report, which is approved, then develops the design for the product.
