Solar garden lights are great basis for a cheap and easy introduction to electronics hacking. We’ve seen them turn into LED throwies, into a usable flashlight, or even to power an ATTiny ...

Solar Energy From These Color-Changing Windows Could Power Your Car or Home One Day Published Nov 29, 2017 at 7:10 AM EST Updated Nov 29, 2017 at 6:05 PM EST ...

Their goal is to turn low-energy colors of light, such as red, into higher-energy colors, like blue or green. Changing the color of light would give solar technology a considerable boost.

Costco is selling the trendy lights for $59.99 but if you don’t have a Costco membership, you can get the same lights on Amazon for $74.99. Image: Atomi.

Using color-changing smart home lights can serve as a circadian rhythm wake-up alarm, alert for laundry, sync with your TV or Spotify, and other uses.

Buy KOBRA LED Color-Changing Light Bulb $8.99 2. RGB LED Color-Changing Light Bulb These light bulbs have many of the same convenient features as our first choice above, but with 12 color options ...

Speaking of the bedroom, color-changing lights can make things a little more soothing as you fall asleep, too. Specifically, I'm a fan of a nice, slow fade-out over the course of about 30 minutes.