This wind sound effect generator circuit perfectly imitate the noise of the wind. Transistor T1 is connected as a Zener diode and will provide a noise signal to T2. The amplified signal by T2 is led ...

The combed-teeth structure of Siemens’ new low-noise DinoTail aerodynamic blade add-on mimics an owl wing’s trailing edge fringe. For comparison, an un-combed blade is shown on the left. Following ...

If you can turn a wrench and operate an electric drill, you can build this simple generator in two days. Turn a car alternator into a homemade wind turbine by building this cheap and easy DIY wind ...

People interested in reducing their carbon footprint, along with their monthly energy costs, have an array of options to consider. One of them is wind power. If you've narrowed down your options and ...