Wind turns the blades of the windmill which are connected to a metal shaft. This shaft turns an alternator and this generates electricity. Wind farms can have several hundred windmills spread over hundreds of acres. Wave and Tide Generation: Wave energy generators use the motion of waves to ...
The exhaust gases rush past a set of turbine blades, spinning them like a windmill. Since the turbine gains energy, the gases must lose the same amount of energy—and they do so by cooling down slightly and losing pressure. The turbine blades are connected to a long axle (represented by ...
If ramjets are so fiddly, then why bother? Well, at the pressures and temperatures generated at Mach 2.5+, most jet engines become hugely impractical -- and utterly pointless. Even if you could make one work, doing so would combine the hazards of running a windmill in a hurricane with th...
Here's the finished new windmill. As sheet material, I used recycled election posters (which were made out of Coroplast), because I thought that this would look funny. And I find it a pity that all this good sheet material is usually just thrown away after the elections. ...
Interestingly ultrasonic sensors are preferred over photoelectric sensors in certain situations – now bioinspired technologies based on the moth eye (see above) and the moth ear may blur those distinctions. Reference: Moir, H. M., Jackson, J. C. & Windmill, J. F. C. (2013) Biology Letters...