A large fan is mounted to the ceiling of a factory. It’s turned off and perfectly still. An engineer climbs up and places a ping pong ball on top of one of the blades. Then she turns on the fan remotely. The ball does not fall. Why not? The post Riddle Me This: Fans and Ping Pong appeared first on PEimpact - Recognizing the impact of PEs.| PEimpact – Recognizing the impact of PEs
The August Ethical Dilemma: Public Service| PEimpact - Recognizing the impact of PEs
Escape the summer heat and challenge your engineering mind. Take the quiz and prove you're hotter than the summer sun. The post August 2025 Pop Quiz for Engineers appeared first on PEimpact - Recognizing the impact of PEs.| PEimpact – Recognizing the impact of PEs
A cylindrical tank with a hole at the bottom drains in exactly 60 minutes when full. How long will it take to drain if it's initially only half full? The post Riddle Me This: Cylindrical Draining appeared first on PEimpact - Recognizing the impact of PEs.| PEimpact – Recognizing the impact of PEs
A 1-ton truck must cross a bridge that can hold no more than 1 ton. The truck is empty but barely weighs 1 ton.| PEimpact - Recognizing the impact of PEs
October 2024 Pop Quiz for Engineers| PEimpact - Recognizing the impact of PEs