This week, Windell Oskay of Evil Mad Scientist Laboratories joins me to teach you how to make a super clever little circuit called the Joule Thief! The Joule Thief allows you to squeeze the life out of what most people think of as "dead" batteries! We were inspired by Big Cliv ...more
Keep the hot water heater control valve free of moisture by installing a drip leg.
It's not an easy task when it comes to customizing apps on your iPhone. Sure, you can build automations in Shortcuts to add color-related filters, enable Live Captions, or play a background sound specific to each app, but it can be too much work. If you don't mind that, go ahe ...more
Learn the correct and safe technique for this speed oriented weight lift - the power snatch. Great for developing power in athletes.
The NERF Reactor isn't you're ordinary NERF gun. It launches a powerful blast of balls thanks to the pump and pull rapid fire action. The Reactor launcher blasts out tons of NERF Ballistic Balls everywhere! But sometimes, that's just never enough. Kipkay shows you how to take ...more
Do you know how coiling effects golf swing? Swaying too far off the ball in the backswing and downswing is one of the most common power leaks in golf. Use five-time, Re/Max World Long Drive Champ, Jason Zuback's method for creating power through a proper coil and gain yards no ...more
One thing Apple users universally complain about is battery life, whether it's on an iPad, iPhone, or Apple Watch. Apple did include a Battery Usage feature in iOS 8 to help us monitor which apps suck up the most energy, but it's too big a pain to deal with. Now, in iOS 9, the ...more
BUD (Block Update Detector) switches can essentially take the place of a regular switch like a lever or a button, but instead of having a "usable" function like pressing the button or flipping the lever, BUD switches trigger when a block next to a piston changes states. There ...more
The attention to detail and build quality that Motorola put into the new Nexus 6 is amazing. Its curved backplate fits the hand like a glove, and fingers slide effortlessly across the rounded edge of its glass front, making the swipe gesture for side navigation menus feel more ...more
What's the first thing you would do once you realized you were lost in, say, a desert? If you're like me, you would immediately pull out your cell phone and start dialing every number. But what if you have no service? What if your battery is dead? If you make this survival so ...more
For those of you who have been taking full advantage of the jailbreak for iOS 8 that's available, you can understand and appreciate what this really offers iPhone users—sovereignty. Unlike Android, iOS is not as easy to manipulate or control, which is why people love to jailb ...more
Store bought Nerf guns don't always achieve the velocity necessary for an effective assault. Zach Scott's solution: mod the toy. Known for his fantastic cat videos, Zach claims this hack increases trajectory by at least 25%! Every bit counts when you're in an all out foam war ...more
As one of only three hardware buttons on an iPhone, the Sleep/Wake button gets a lot of use day in and day out. If you've had your iPhone for a considerable length of time, this button—which is also used to power down the device, as well as turn it on—may begin to malfunction ...more
No matter if you've used one or not, you've got to admit that 3D printers are pretty darn awesome, especially the self-replicating ones that extrude molten plastic and the shoebox-sized versions that use mesmerizing stereolithography to build tiny objects layer by layer. But w ...more
This video introduces the formulae for watts in an electric circuit, P=IxE, P=I^R, and P=E^/R. It also explains how P=I^R and P=E^/R are algebraically derived from P=IxE and Ohm's Law.
Leaving your Wi-Fi radio "on" allows your smartphone to auto-connect to trusted wireless networks in lieu of using cellular data, but it also consumes battery power while it's constantly network hunting. If you forget to turn Wi-Fi off when you're on the go, expect a quick ba ...more
In this video, I show you a technique for hacking a four foot mega magnifying lens out of your old projection TV. Not only are these TVs everywhere, they can be found easily—for FREE! Video: . Don't throw away that old TV! ... ... Hack it! Into a free energy device! A 4 food m ...more
Omniscience is not required to make some really cool shit happen. Yes, it took a while, but we can make fuel from the Sun! Solar panels are basically our answer to God. And now that we can make solar electricity, finding the most efficient way to harvest it is tricky. Some so ...more
The vacuum cleaner is the most elaborate piece of cleaning equipment many people have, and they should last a long time. Their power cords, however, are generally not very durable. If yours have gotten worn out or actually broken, it's not too challenging to replace it yoursel ...more
A below elbow arm amputee demonstrates how to don and operate his body powered prosthetic hook. This video is made to help individuals use adaptive equipment and prosthetics for getting around with one arm. This is an equipment overview for amputees or individuals that have si ...more
One amazing Japanese papercraft enthusiast has built a walking 'robot' that's made of nothing more than paper, rubber bands, and a few wooden shafts for stability. It's been dubbed the 'Paper Robot III,' and even the cogs and gears are made of paper. The creator made a video d ...more
There is something about being reminded about something you already know that is annoying beyond belief. It's like someone telling you that your shoes are untied while you are kneeling down to tie them. That same logic goes for our smartphones as well. While smartphones do a ...more
Not all websites are created equal, and that's why Safari doesn't apply Dark Mode to each webpage you visit during your iPhone's system-wide dark appearance. But in Safari's latest update, Apple gives its web browser more power to automatically apply Dark Mode to specific webs ...more
Normal wear and tear, combined with unfortunate accidents, can take a toll on any smartphone leading to scratches, cracks, and breaks that can leave physical buttons useless. One of the first buttons to usually go is the power button, since it's the main way to turn your phone ...more
With the Galaxy S20, Samsung has officially removed the Bixby button from its flagships. While it was a controversial key, in its later days, it did give us the ability to launch an app or custom action at the press of a button. There's still a way to do something like that, b ...more
Microsoft PowerPoint is used to create presentations. These presentation can contain images and animations. You can even add sound to the presentation. To do this go to the insert and select movies and sounds. Select the sound file from it. Make sure that the file inserted is ...more
We really dislike toilets that flush slowly. You have to wait an eternity for all the water to go down, and then it slowly muddles on to an annoyingly weak flush that doesn't make all the er, stuff, go down. Toilets weaken with age, making the flush weak, but there is a way to ...more
It's hot this summer, but it's not that easy to cool down when you're on the go. You can't take an air conditioner with you, and a handheld fan will just tire you out, so you'll need to find more creative ways to cool down when you're on the go. One of these ways is a DIY sola ...more
To build your own hand-powered fan, you'll need the following: 1 peanut butter jar lid 1 wooden kabob stick hammer knife 3 corks nail 1 paper clasp 1 tack 1 plastic notebook divider 1 rubber band 1 small box scissors 1. You will be putting 3 holes in your box, 2 in the front ...more
This how-to video shows how to build your own electric motorcycle; a nice way to change from gas to batteries to save the environment. There is lots of welding, but the key to welding is dropping the piece and checking if it stays together. Spindles and sprockets must align an ...more
If disaster strikes, chances are that power will also go out. Kipkay to the rescue! By creating one of these hand-powered chargers from a crank flashlight, your electronic devices will remained charged in emergencies.
It turns out that the popularity of soft circuit electronics has leaked out of the interwebs and into the hands of the U.S. military. Soft circuit electronics allow you to literally sew electronics circuits into fabric using flexible conductive thread instead of wire. Soft cir ...more
Learn the correct and safe posture and technique for weight lifting when doing power clean lifts.
You're shown how to replace the driver's side regulator, but the procedure is the same on the passenger's side as well. You will need: a 10 mm socket and ratchet, a flat blade screwdriver and a pair of large pliers.
Your power supply on the bottom of your Mac may need to be replaced. If you're not sure how to remove it, no problem. See how to remove the power supply from the Power Mac desktop computer. PowerBook Medic is the ultimate resource for Mac computers and electronics repair. The ...more
Win you opponent at squash. This how to video is a quick squash playing tutorial that goes over some of he basics of the sport. Learn about proper racquet grip, writs tension, and how to generate power in each stroke.
You might already know a little bit about what the National Ignition Facility has been up to lately, or what they could possibly achieve. But last week, even the scientists at the Livermore, California station couldn't predict the awesome power that their humongous laser was c ...more
Have you already abandoned your New Year's resolutions? Maybe you need a refresher on how to stick to your goals and avoid succumbing to your worst temptations and unproductive habits. No matter where you are in life right now, all of us can benefit from increasing our sense o ...more
If you ask Apple Support if the 18-watt power adapter that came with the iPhone 11 Pro, iPhone 11 Pro Max, and four different iPad models will work with the MagSafe Charger and your new iPhone 12 or 12 Pro, the answer is "yes." But that's not the whole story. People have been ...more
In this video tutorial, viewers learn how to solve power steering moans. Users will need a vacuum pump. Begin by filling reservoir about half way full. Then draw a vacuum of approximately 20"/Hg and let the vacuum sit for 5 minutes. Now recheck the fluid level in the reservoir ...more
Hey guys! Just an easy design/tutorial of how to make the lowest resource and easiest to build piston door that's great for hallways! Make sure to check out my other videos and suggest other topics/tutorials that you want to see! Have fun and play Minecraft.
Do you have an old uninterruptable power supply you're not using or that's broken? Most people have scads of them these days, and they contain all sorts of useful electronics parts, including all of the stuff to make a little batter charger, which you'll learn how to do by wat ...more
You might prefer a dedicated button, whether physical or digital, to bring up your digital assistant. Pixel phones have the squeeze function to bring up the assistant, but what about OnePlus phones? Luckily, OnePlus has included a feature that uses your power button to act as ...more
Charge your cell phone, mp3 player or other USB-equipped device with the power of the Sun! All you need is a 6-volt solar panel and a female USB cable. Solder them together (this video demonstrates how), and then you have a solar powered USB charger!
One day, your car may break down and you won't be able to afford to hire a mechanic, so what do you do... you look on the web for some how-to vehicle repair videos and become your own car mechanic, that's what. You don't need any advanced training to perform repairs and simple ...more
Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! We've done a lot of workshops in the past that involved architectural design, interior design, and so much more. To top it off, Leinad has showed us some tu ...more
Android 11 has a new power menu with integrated contactless payment cards and smart home toggles. It's definitely futuristic — so much so that it pushed out a tool many of us use in the present: the screenshot button. In prior versions, you could long-press your power button ...more
A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or ele ...more
When the titular hero of your superhero movie activates his powers with a catchphrase, it would be pretty neat if your augmented reality promotion for that film could react to the user's voice. Luckily for Warner Bros., Snapchat happens to have relatively new voice recognitio ...more
This is a simple "take home" solar energy lamp project, based around a dirt cheap solar garden lamp, which suits enthusiastic ten-year-olds (with modest adult help). All that you need is a solar garden lamp, some tin snips, and some sandpaper. A drill will also be needed, alo ...more
James (The Amazing) Randi speaks on spoon/key bending and hidden picture reproduction. These were tricks pulled by Uri Geller to show he had psychic powers. Arthur C Clarke was one of many who spoke out against Geller and sought to distance the paranormal studies from Geller's ...more
Light-weight, tiny, and easily doable, Mark Jurey's penny stove instructional demonstrates how to make a sleekly simple (and cheap) camping stove. First off, how does it work? Luckily, Jurey explains: "Burning fuel in the center and outer ring of the burner heats the cup and ...more
Christmas is the time to splurge— not just with presents and food— we're talking decorations. It's that time of year when verdurous fir trees take up half of your living room, when waving elf figurines silhouette your front windows, when Rudolph flies from the rooftops, Santa ...more
Here's a cheaper way to get a quality airbrush. You can make this out of household objects and power it by blowing.
This is a video tutorial on how to make a USB aquarium powered by a under-gravel LED bulb that is powered by a USB port. With a bit of simple engineering, build a circuit to provide elegant lighting to your aquarium. Connect the wiring to the air pump for a cool lighted bubble ...more
There are an infinite number of things that you can make out of K'nex. A disproportionate, but entertaining, number of these are toy guns. This video features an innovative design for a powerful K'nex (it also has a rubber band in it) gun that shoots small K'nex pieces across ...more
No matter how far technology advances, battery life continues to be an issue. Powerful new hardware is introduced each year, but smartphone batteries only get a few extra milliamp-hours to compensate. There are several power-saving Android apps that aim to help with this issu ...more
Kip "Kipkay" Kedersha is known for his intriguing and clever how-to and prank videos, even when he teams up with MAKE Magazine. He will show you how to tweak, hack, mod, and bend any technology to your hacking needs. No electronic device, gadget, or household item can stand th ...more
If you liked the mini dragster powered by 6 circular saws, then you'll love this Harley-Davidson powered by 24 chainsaws (complete with hot babe). "Twelve engines are mounted in two rows of six on either side of the drive belt casing. Each engine is held in place by two threa ...more
WonderHowTo has seen its fair share of dragon-related projects, from dragon wings, to dragon kites, to less-complicated origami dragons, but we've yet to see anything quite like this. Radio-control plane builder Richard Hamel built this incredible seven-foot-long, fire-breathi ...more