CadenceX reimagines the bottle dynamo for the 21st Century

Remember those “bottle”-type dynamos that rubbed against the side of your bike tire in order to power the lights? Well, they’ve gotten a high-tech makeover, in the form of the fork-mounted CadenceX generator – its creators say that it can rep… Continue reading CadenceX reimagines the bottle dynamo for the 21st Century→

Vogi VTOL drone uses swingin' props to keep things simple and efficient

The Vogi seen from the front, with its four main propellers tilted forward

Vertical Take-Off and Landing (VTOL) drones typically have four horizontal propellers for moving up and down, along with a vertical rear “pusher” prop for moving forward in more efficient fixed-wing flight. A new aircraft, however, uses the same four props for everything.

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Category: Drones

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Flipper-legged robot runs, swims, and is ready to hit the bigtime

Back in 2013, we heard about an all-terrain walking robot known as RHex. Designed in a collaboration between McGill University and the University of Pennsylvania, it used six flipper-like legs to scamper around. Now, its successor is taking t… Continue reading Flipper-legged robot runs, swims, and is ready to hit the bigtime→

Review: magpeds use magnets for less-threatening foot retention

While many mountain bikers don’t like the idea of having their feet mechanically fastened to so-called clipless pedals, they do nonetheless see the advantages of such a setup. Austria’s magped has set out to reach a compromise, with its magne… Continue reading Review: magpeds use magnets for less-threatening foot retention→

Power line-crawling robot may give drones a run for their money

Amongst many other things, aerial drones are now being used to inspect high-voltage power transmission lines. Canada’s Hydro-Quebec public utility company, however, has developed what could be a better alternative … the LineRanger robo… Continue reading Power line-crawling robot may give drones a run for their money→