Sometimes the simplest things hold the key to understanding complex effects. It turns out that a humble metal pull-chain-just like those used on ceiling fans-can be a pretty good model for complex ...

Winter driving has a way of exposing the weak points in even the most capable trucks and SUVs. Snow-packed roads, icy dr ...

Q: I have a ceiling fan light kit with a pull-chain that turns the light on or off. The problem is that the pull-chain is frozen and won’t pull to turn the lights on or off. How can I go about getting ...

Instructables user yardleydobon was tired of waving his hand around in the dark trying to find the pull chain of his ceiling fan to light up the room. He took apart a solar garden light and used the ...