With virtually every quiet fan we tested, the decibel level rose slightly with increased speeds ... liked the timer function and the slow but strong oscillation that provides a cooling breeze ...

If you don’t have an air conditioning unit at home or want to reduce the amount of time you spend using the one you do have, investing in a fan is a great option. The device circulates air to ...

AMACOOL Battery Operated Stroller Fan Flexible Tripod Clip On Fan with 3 Speeds and Rotatable ... battery that lasts between 2.5 to 10 hours depending on the wind speed, thus ensuring you'll ...

When it comes to cooling off, not everyone can afford an above-ground pool (and they’re not very portable, anyway). Luckily, there’s an outdoor misting fan for every occasion. Depending on ...

Those aluminum fins can do some passive cooling, but Noctua has placed one outstanding 140mm PWM fan between them to keep plenty of air flowing through the cooler ... is only 23.3 dBA, making ...

Then a whole bunch of fans is the way to go, and the TopMate C5 laptop cooler packs in five—a 140mm fan at the center ... you run several cooling modes and displays wind speed.

A tower fan can greatly ... room with its cooling breeze. You can also get these tower fans in a variety of designs, and with a bunch of features like a programmable timer, quiet operation ...

Air conditioning is great for cooling a space, but a good pedestal fan can be a more cost-effective way to beat the heat. It makes the temperature in a room feel cooler, so you don’t have to run ...

A chain consisting of a 2.2k and a 3.3k resistor should produce a 3V output from an applied 5V input. It does not preserve the fan-out characteristic ... are plenty of off-the-shelf bus level ...

Wind is the movement of air from an area of high pressure to an area of low pressure. In fact, wind exists because the sun unevenly heats the surface of the Earth. As hot air rises, cooler air ...

If you need inspiration for building a generator, take a look at this build which attempted to adapt a ceiling fan motor into a wind turbine generator.