The debate has been raging for decades: can a Formula 1 car drive inverted from downforce alone? No one ever asked if a McMurtry Spéirling could ... turns out, it's no problemo.

Balancing performance and noise often requires compromises. A completely fanless system is very quiet but usually sacrifices ...

The best portable air conditioners keep rooms cool and offer a degree of air filtration. We test for cooling ability, noise, ...