Gadgets Archive

A good flashlight can be an incredibly useful tool for a wide variety of jobs. But visible light won’t always be sufficient for the task. For example, some stains are invisible to the naked eye, but show up easily under UV light. If you’re a fan of police procedural shows, you’ve already seen this in action. But you can also use UV light as a …

A pair of hearing aids is one of the more intimate tools you’ll use in your life. They’re in your ears most of the time you’re awake, and for over-the-ear hearing aids, they lie against your skin. This gives them the opportunity to collect all kinds of bacteria, as well as ear wax and other detritus. If you’re not keeping them clean, you’ll have an …

These days, the air is literally filled with radiation. Our cell phones, routers, and other devices are sending it in all directions. This is what most people typically mean when they talk about EMF radiation. But to be fair, EMF encompasses a whole lot of things. The light coming out of your screen right now is EMF, and so is the sunlight outside. Some EMF, …

Getting a good haircut can be a challenge under the best of circumstances. It’s often hard to communicate exactly the hairstyle you want. Sometimes, even the most talented hairstylist won’t recreate what you saw in your head. But if last year’s lockdowns taught us anything, it’s that cutting your own hair is harder than finding a good stylist. This is obviously true for more complex …

Almost as long as people have been around, we’ve come up with ways of preserving our food. Some of the oldest methods involved storing foods in boxes of salt, or submerging them in jars of honey. People in early civilizations also figured out that food lasts longer in a cold environment. After all, we’ve been keeping vegetables in root cellars for millennia. Then, in 1804, …