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When it comes to replacing the soon-to-be-obsolete incandescent light bulbs in our homes, LEDs are certainly a good way to go – they’re highly energy-efficient, they last for years, and they emit a ...

[Credit: Bluetooth Bulb] If you’re one for setting the perfect mood in your home by brightening or dimming the lights, you’ll know how annoying it can be when you need to get up to adjust the light.

OK, it's not really a black light. It's better to call it what it is: ultraviolet light. Let's start with a quick overview of light. Of course, light is an electromagnetic wave (oscillating electric ...