Energy & Green Tech

Bigger, better blades for wind turbines

As Europe's wind turbines grow in size, with individual blades longer than a professional football pitch, the biggest challenge will be delivering more power with less wear.

Consumer & Gadgets

Hydrogen power plant for the garden

According to data from the German Environment Agency, private households currently are responsible for about a quarter of Germany's energy consumption in total. A good half of this energy is obtained from natural gas and ...

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Blade

A blade is that portion of a tool, weapon, or machine with a cutting edge and/or a pointed tip that is designed to cut and/or puncture, stab, slash, chop, slice, thrust, or scrape animate or inanimate surfaces or materials. A blade may be made from a flaking stone, such as flint, metal (usually steel), ceramic, or other material.

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