A number of components will make a sound when exposed to audio, including to the surprise of [Eric], the humble incandescent light bulb. He discovered when making an addressable driver for them ...

Enter this light bulb replacement project. His brake light needed a new bulb, and he managed to make this 12V LED bulb work in the 6V socket. An LED is a really great choice for this application ...

There's no need to hoard bulbs. Our tests found that new LEDs and CFLs are light-years ahead of earlier versions. Standard 60- and 40-watt bulbs are the last to be phased out, though remaining ...

Illuminate your space with a DIY LED bulb! Learn how to convert a 3.7V motor into a powerful 12V LED bulb with this ...

In halogen lamps, the quartz envelope is closer to the filament than the glass used in conventional light bulbs. Heating the filament to a high temperature causes the tungsten atoms to evaporate and ...

Whether it's for outdoor spaces like porches, driveways and yards, or your garage, basement or a dark corner in your home, LED floodlight bulbs are a great way to increase visibility around your home.

But the air temperature isn't the only factor in how dangerous a hot day is; there's also another measure, called the wet-bulb temperature. The wet-bulb temperature accounts for both the ...

If you plan to grow ornamental alliums, tulips, or daffodils in your garden, then you’ll be planting bulbs, not seeds! Bulbs ...

If you want to fill your garden with colour next spring, plant bulbs from October to December, before the first frost. Daffodils, tulips, crocus, grape hyacinths and fritillarias are just some of ...

We also measured the AC voltage produced while a 60W bulb was being powered ... However, it can be used with either the 12V plug or the crocodile-clip connections, and the USB socket worked ...

Xiaomi has launched its 50W Car Wireless Charger Kit, which is currently available for purchase in Xiaomi Youpin for a price ...

We concentrated on inflators that plug into the 12V socket. They’re more bulky and fiddly to use than some cordless units, but they never run out of power. We timed how long it took to inflate ...