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Bike shop mechanic takes bicycle wheel from customer, places on truing stand, and spins
Bike shop mechanic takes bicycle wheel from customer, places on truing stand, and spins
Curated Video
D.C. Suspends Most Of Its Metro Trains Over Safety Issue
The axles of more than half of D.C.'s Metro railcars are out of compliance with manufacturer's specifications, including the latest models.
Curated Video
Guns N Roses guitarist promises new album 'soon' at Golden Gods Awards
Guns N' Roses fans may not have to wait another 14 years between albums.
The hard rock band's guitarist Richard Fortus said Wednesday night at the Revolver Golden Gods awards that the Axl Rose-led group was "working on stuff. And...
Curated Video
Palestinians pray near contested holy site
Several thousand Palestinian Muslims prayed in the streets near Lion's Gate, one of the entrances to the Al Aqsa mosque, in Jerusalem on Monday evening.
A crisis erupted last week after Israel installed metal detectors at...
Sky News
Robert Jenrick answers questions at daily press conference on Covid-19 from Downing Street
CLEAN: Interior shots of Housing Secretary, Robert Jenrick delivering Downing Street's daily press briefing on Covid-19 on 13th May 2020 in London, United Kingdom
Curated OER
Simple Machines
Simple machines and the relationship between work and force are defined. Inclined planes, the wheel and axle, pulleys, levers, wedges, and screws are detailed. This video consists entirely of typed white print appearing across a purple...