Electric Aircrafts

My last post about small electric cars showed different innovations in electric urban vehicles. This also counts for electric airplanes. There has been a huge leap forward in batteries, battery management and (brushless) electro engines for airplanes. This makes it possible to design and produce (clean) aircrafts with an already impressive range. In this post

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Gallery: Autumn pictures across the world

In the northern hemisphere the September equinox marks the start of fall (autumn). The oldest meaning is the day when daytime and night are of approximately equal duration. A number of traditional spring and autumn harvest festivals are celebrated on the date of the equinoxes. I like to ‘celebrate’ with some lovely views from across

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Quarkson drone will bring you internet all across the world

Quarkson is a drone company from Portugal building a constellation of SkyOrbiters. They build two types, the SkyOrbiter LA (Low Altitude) and HA (High Altitude) version. The SkyOrbiter HA55 is a high-altitude flexible, non-polluting and cost-effective platform designed as an alternative to satellites and terrestrial systems. This system is capable of flying around the world

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Razor: UVA’s 3D printed drone with android autopilot

At the University of Virginia, engineers are printing airplanes. Three-dimensional printing is the production, or “printing,” of actual objects, such as toys or parts for devices, by using a machine that traces out layers of melted plastic in specific shapes until it builds a piece to the exact specifications of a computer-aided drawing produced by

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App: Localmint shows you opening hours on a map

Want to know which coffee/bar/shop is still open? Localmint shows you opening hours plotted on a map. All the results are plotted on a map and also listed in the map sidebar with the opening-hours for each business. You can also select a business’ marker to view the hours that it is open. Available in

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13% More energy with Pitch Control for windturbine

Test also show that adjusting rotor blades individually reduces load by 20 % A new advanced control system for wind turbines, built by Energy Research Centre of the Netherlands (ECN) makes it possible to build larger wind turbines that produce up to 13% more energy. Tests carried out at the ECN wind farm using the system,

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BioGri: Solar Barbecue and Grill

Using the sun to cook your meat? It’s possible with the BioGri, a barbecue that uses the sun to cook your meat. The mirror reflects and concentrates the sunrays to your food. Source: BioGri Do you want your own Solar Barbeque? High Efficiency Solar Cooker – Easy-to-Use Portable Solar Oven 0000