This may have allowed people to push a wider cart into the mine. The second innovation was a wheelset, or wheels fixed to an axle, which could have given the cart a higher clearance to pass over ...

While Bike Ahead is mostly known for 6-spoke monocoque wheels, their Three Zero line-up delivers 3 types of lightweight & strong, but conventionally-built carbon mountain bike wheels, at much more ...

Lun-class ekranoplan during testing / Open-source archive photo The ground effect itself was discovered back in the 1920s, but the number of aircraft projects based on using this effect throughout ...

At close: 7 November at 16:00 GMT-5 ...

At close: November 4 at 4:00 p.m. EST ...