The Science of Ventilation
Posted 2 weeks ago by boyt in category: interesting   Comments (1)




Joseph's Puzzle Machines
Posted 2 weeks ago by Jagerbomb in category: competition   Comments (0)





F1 racing helmets have changed a lot over the years. In this video, 'Driver61' take a look at how Formula 1 helmets have transitioned from simple leather caps to carbon fibre composites.
Posted 2 weeks ago by RickMX in category: interesting   Comments (0)