Internal Battery Search Results

How To: Construct a simple magnet and battery powered homopolar motor

Motors. The word screams of complexity. They're everywhere and in everything, from car engines to airplanes to toys and electric wristwatches. But sometimes the most complex things can be really simple, as in the case of the homopolar motor, where the main point is a magnetic field. The only items you'll need to make a DIY homopolar motor are a AA battery, copper wire and a rare earth neodymium magnet. This tutorial will show you how to build this simple motor.

How To: Take apart your Xbox 360 controller like an expert

First you need a TR9 screwdriver. Take off battery cover and with a flat head screwdriver take off the little sticker in the bottom of the place where you put the battery. Take your TR9 screwdriver and remove all the screws from your controller, the last screw it's covered behind the sticker you have just removed. Take a screwdriver and press the back off your controller to remove one side of it. Don't press to hard or you will break the controller. Push the side you have pressed with the scr...

How To: Prevent the onset of cataracts

What is a cataract? A cataract is the clouding of that internal lens of the eye which is normally clear. That internal lens helps focus light as it comes through the pupil that when a lens starts becoming a little cloudy, patients sometimes complain that their vision seems a little foggy. There are certain risk behaviors that you can avoid to reduce the risk of getting cataracts. Get professional tips and advice on cataracts in this medical how-to video.

How To: Everything You Need to Know About 'Find My' — iOS 13's New App for Find My iPhone & Find My Friends

If you've ever used the Find My iPhone and Find My Friends apps in iOS 12 and below, you may be surprised to hear that those apps have joined forces in iOS 13. Now, instead of two separate apps, they're combined into one convenient package. But what does that mean for you and your privacy and security?

How To: Install Spotify Lite in the US

To make its services more accessible to regions with limited bandwidth, Spotify has rolled out with a leaner, stripped down version of its music streaming app. The aptly named Spotify Lite has been released for Android devices in 36 countries in Africa, Asia, and Latin America, but you can try out the app right now thanks to a simple workaround.

News: Meet Samsung's Crazy, Innovative & Flawed Galaxy Fold

After years of rumors and waiting, Samsung's first foldable smartphone is finally a reality. The phone itself is a bit wild, but with Samsung going so far out of their comfort zone with this one, there were some bumps in the road that caused a delayed release. The launch has been pushed back yet again, but when it does hit stores, it could end up being one of the most influential devices in years.

News: Microsoft Japan Concept Video Demos How HoloLens Will Help Pilot the Drone Ships of the Future

Although the HoloLens is still primarily the domain of developers and researchers, the device is nevertheless on the cutting edge of showing us what will be possible with augmented reality in the coming years. The latest example comes via Microsoft Japan and a new concept video that shows off how the HoloLens will be used in the relatively near future to pilot autonomous ships.