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  2. The best smart LED light bulbs for 2024 - Engadget

    www.engadget.com/best-smart-led-light-bulbs...

    The Color A19 bulb, which supports 1100 lumens, normally costs $50, but there’s an 800-lumen equivalent that’s a bit cheaper, coming in at $35 per bulb. LIFX’s mobile app is also undoubtedly ...

  3. Hot-bulb engine - Wikipedia

    en.wikipedia.org/wiki/Hot-bulb_engine

    Hot-bulb engine (two-stroke). 1. Hot bulb. 2. Cylinder. 3. Piston. 4. Crankcase Old Swedish hot-bulb engine in action. The hot-bulb engine, also known as a semi-diesel, [1] is a type of internal combustion engine in which fuel ignites by coming in contact with a red-hot metal surface inside a bulb, followed by the introduction of air (oxygen) compressed into the hot-bulb chamber by the rising ...

  4. The best smart plugs in 2024 - Engadget

    www.engadget.com/best-smart-plug-131542429.html

    For those who rely on Siri to manage their smart home, the TP-Link Kasa EP40A reliably adds outdoor control to your world. The device looks like most smart plugs designed for outside spaces, with ...

  5. Alexa can wake up more of your smart home devices - Engadget

    www.engadget.com/2018-11-17-alexa-wake-on-lan...

    It recently added a "wake-on-LAN" control method that can turn on sleeping connected gadgets in the home that otherwise won't respond to voice control. Device makers just need to craft Alexa ...

  6. Edison light bulb - Wikipedia

    en.wikipedia.org/wiki/Edison_light_bulb

    Edison light bulb. Edison light bulbs, also known as filament light bulbs and retroactively referred to as antique light bulbs or vintage light bulbs, are either carbon- or early tungsten -filament incandescent light bulbs, or modern bulbs that reproduce their appearance. Most of the bulbs in circulation are reproductions of the wound filament ...

  7. Dimmer - Wikipedia

    en.wikipedia.org/wiki/Dimmer

    Dimmer. A dimmer is a device connected to a light fixture and used to lower the brightness of the light. By changing the voltage waveform applied to the lamp, it is possible to lower the intensity of the light output. Although variable-voltage devices are used for various purposes, the term dimmer is generally reserved for those intended to ...

  8. A-series light bulb - Wikipedia

    en.wikipedia.org/wiki/A-series_light_bulb

    A-series light bulb. The A-series light bulb is the "classic" glass light bulb shape that has been the most commonly used type for general lighting service (GLS) applications since the early 20th century. It has a pear-like shape and is typically fitted to either an Edison screw or a bayonet cap base. The number that follows the "A" designation ...

  9. The best multi-device wireless charging pads for 2024 - Engadget

    www.engadget.com/best-multi-device-wireless...

    Belkin MagSafe 3-in-1 Wireless Charging Pad. Best premium 3-in-1 wireless charger. $83 at Amazon. Logitech Powered 3-in-1 Dock. 3-in-1 wireless charger runner up. $46 at Amazon. Anker 533 Magnetic ...