DIY Lawnmower Doesn’t Cut Grass Short

[nodemcu12ecanada] is serious about saving water, which is why they built this strange lawnmower that can cut grass taller.

Short lawns are one of those clever marketing victories, like convincing people to eat a lot of sugar, that’s been doing more harm than good ever since the victory was won. …read more

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Solenoid Engine Adds Three “Pistons”

The earliest piston engines typically had only one cylinder, and at best, produced horsepower measured in single digits. But once you have a working engine, it’s a relatively short step to adding cylinders and increasing the power output. [Emiel] made a similar upgrade to one of his engines recently, upgrading …read more

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Electric Dump Truck Produces More Energy Than it Uses

Electric vehicles are everywhere now. It’s more than just Leafs, Teslas, and a wide variety of electric bikes. It’s also trains, busses, and in this case, gigantic dump trucks. This truck in particular is being put to work at a mine in Switzerland, and as a consequence of having an …read more

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A Range-Extended Electric Van

The only thing limiting the range on any electric vehicle isn’t really battery technology, but cost. Customers don’t want to pay more money for an electric car or van that does essentially the same thing as one with an internal combustion engine. This in turn limits the amount of batteries …read more

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Electric Dump Truck Tricycle is No Toy

There are some utility bicycles on the market, some with electric motors to help carry a good bit of cargo. If you really need to haul more weight than a typical grocery-getter like this, you’ll want to look into a tricycle for higher capacity loads. Nothing you’ll find will match …read more

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Full-width digital dashboard revealed for the Honda e compact EV

Honda has been drip-feeding details on its forthcoming Honda e electric hatchback for a while now. We’ve learned about the radical camera-based side mirrors and the “skateboard” chassis, and now Honda has revealed details of the stylish – yet… Continue reading Full-width digital dashboard revealed for the Honda e compact EV

Russian eBike Goes Everywhere, Possibly Legal

Electric bikes may be taking the world by storm, but the world itself doesn’t have a single way of regulating ebikes’ use on public roads. Whether or not your ebike is legal to ride on the street or sidewalk where you live depends mostly on… where you live. If you’re …read more

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Hackaday Prize Mentor Session: Beau Ambur

Beau Ambur can often be found hosting hardware events and offering help all around the Bay Area. Now he’s turned it into a career and travels the west coast helping hackers and creators effectively leverage Kickstarter’s platform. Beau’s mentor session covers everything from, “is this project a good fit for …read more

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All-electric runabouts bring stylish retro cool to quiet and clean boating

Canada’s Beau Lake has recently launched two stunning electric runabout boats to its collection. The company is no stranger to the classic boat designs of the ’50s and ’60s, and have once again successfully blended the Riva/Chris-Craft style … Continue reading All-electric runabouts bring stylish retro cool to quiet and clean boating

Honda details e electric city car "skateboard" chassis

Honda’s new all-electric city car project is off to a promising start. Last month we reported that more than 25,000 people have reserved the Honda e, a number that has since that jumped above 31,000 … even if the side “mirrors” may or may n… Continue reading Honda details e electric city car "skateboard" chassis