When a technical feature forces you off your bike, don’t skip it! Challenging sections of trail provide an opportunity for you to develop your bike handling skills, build confidence in your abilities and identify potential areas for improvement. You can safely and confidently approach challenging

Author: Dan Maloney / Source: Hackaday Whether it’s wheels, tracks, feet, or even a roly-poly body like BB-8, most robots have to deal with an essential problem: dirt and grit can get into the moving bits and cause problems. Some researchers from UCSD have come up with a clever way around this: