YouTube description: Comparing modern concrete to that of the western Roman empire. In this video, I discuss a few modern techniques that help improve design life of concrete, including roller compacted... continue reading
posted by Aard Vark (oritteropo) 5 years 6 months 3 weeks ago • 495 views • 9:34search results matching tag: roller
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Tadashi Tokieda is back. This time talking about stability, instability and train wheels.
posted by Mordhaus 7 years 2 months 2 weeks ago • 200 views • 7:25YouTube: Are you having trouble with kidney stones? Well, the scientists might have found a fun way to help you. And here’s some updates for our Earth’s climate change!
posted by PlayhousePals 7 years 7 months 3 weeks ago • 13 views • 4:42WHEEEEE! YouTube: Roller coasters give people the opportunity to experience physics in dramatic ways. In this episode of SciShow, we break down how physics work on roller coasters to give you the ride... continue reading
posted by PlayhousePals 7 years 9 months ago • 71 views • 3:39"A heavy steel vault protects 2 cassettes that each hold over 1,000 bills. A sophisticated assemblage of sensors, rollers and conveyors ensures the correct number of bills is distributed to the account holder..." ... continue reading
posted by ant 7 years 11 months ago • 24 views • 2:57Please excuse any mistakes in the translation. Neither of the languages is my native one. :) "In China you don't have letters when writing. Instead you use characters, and each character is a word.... continue reading
posted by WaterDweller 1 decade 10 months 1 week ago • 173 views • 2:00- 1