May 27, 2017 · This discussion focuses on the feasibility of building a hoverboard using air compression, inspired by the fictional hoverboard from "Back to the Future." Participants emphasize that while true …

Feb 21, 2023 · The SkySurfer Aircraft, designed by Hunter Kowald, is a personal multipropeller helicopter that raises significant safety concerns due to its exposed propellers. Discussions highlight …

Dec 23, 2014 · The discussion centers on solving the torque seesaw problem involving a 5 kg seesaw with a 10 kg block positioned 2 meters to the left of the fulcrum and a 0.5 m right block. The …

Jan 17, 2026 · This discussion consolidates recent developments in aerospace, highlighting the upcoming SpaceX Dragon launch and its significance for the International Space Station (ISS). Key …

Photo Galleries Search Results for "Entertainer Electro Powered TAPCO" in "Photo Title" - Page 1

Mar 20, 2023 · This article (sorry, there's a paywall) describes ultrasound waves creating 20 Megapascals of negative pressure. What does that mean?

6 days ago · The discussion centers on whether airflow created by a fan exhibits an "edge effect" when it encounters a wall, specifically in the context of a fan positioned in front of a flat plate. Participants …

Photo Galleries Search Results for "Serigraph Numbered Century Collier" in "Photo Description" - Page 1

Sep 21, 2015 · Unfortunately I was in a hurry (I had to build two devices to levitate a "hoverboard" prop in 6 weeks...) and I ended up using dimensions I found online (look at Nicanor Apostol's work).

Oct 2, 2016 · Everybody learns the “quadratic formula” for solving equations of the form A x 2 + B x + C = 0, even though you don’t really need such a formula, because you can solve for x through the …