Make a Lead Battery

Instructables member mark-mark creates a beautiful effect with just a tin can lantern and an LED. It's as simple as it sounds: punch a decorative pattern into a tin can and insert your LED rig. Catch the impressive result here. You Will Need: Quart sized tin can with lid Pr ...more

The battery-operated, Bluetooth-controlled pieces use downward-facing sensors to read grids built into the individual squares on the board. They then communicate with the controlling computer to keep track of their location in relation to other pieces. The computer tells each ...more

Hacked Gadgets recently featured Csaba Bleuer's LED wave display, a device that projects LED messages midair. Bleuer had also previously created a similar device that spins on a fan motor. "Csaba Bleuer sent in some pictures and a video of his new creation. It is a LED Wave D ...more

We've all heard of the power that red wine holds. It can help lower risks of heart disease, boost your brain power, and can even recharge your car battery. But last year, a group of Japanese physicists made headlines when they announced that they could induce superconductivity ...more

Giveaway Tuesdays has officially ended! But don't sweat it, WonderHowTo has another World that's taken its place. Every Tuesday, Phone Snap! invites you to show off your cell phone photography skills. Submit your best shot to our weekly competition for a chance to win an awes ...more

WonderHowTo favorite NurdRage once again triggers the inner mad scientist in all of us (well, all of us WonderHowTo-ians at least). Below, watch what happens when steel wool- found in every common household Brillo Pad- is lit on fire. "Normally we do not think of iron as bein ...more

It's like National Cellphone Day. Here are the details for the new iPhone 4, coming out later this month: "There's also of course that front facing camera we were all anticipating, a rear camera with LED flash, and a new high resolution display that doubles the pixels in eac ...more

Chemical engineers at Cornell have created a small device that may one day turn troops into real life spider-men. The device would cradle in the palm of the hand, allowing troops to scale walls. It uses an adhesive inspired by the Floridian leaf beetle, an insect that "can adh ...more

As some of you Mad Science readers will remember, we recently covered the separation of water into hydrogen and oxygen using electrolysis. Passing a current through water can rend it apart, but we can also recombine that oxygen and hydrogen to make electricity! This is the pri ...more

In this article, I'll show you how to make a simple touch-triggered switch. This is very useful for various electronic projects, from a simple bedside light to a flat panel touch keyboard. The circuit can vary in switching power depending on the transistors you use. For exampl ...more

PETA wouldn't consider James Auger and Jimmy Loizeau's ingenious flypaper clock very eco-friendly, but I might beg to differ. The clock doesn't require any electricity or batteries. Instead it captures flies and converts the bodies of the dead insects into energy. Eight dead f ...more

25-year-old Anthony Le, of Colorado is THE ultimate Iron Man fan. A cosplay fan, Anthony decided to try his hand at building a super realistic Iron Man suit, just in time for the release of Iron Man 2. The incredibly talented fitness consultant did above and beyond what you mi ...more

When I was attending college, my friends had a phantom thief in their dormitory. Almost every night, a different item of food would go missing, never to be seen again. There was constant speculation as to whom the thief was and how to catch them. Security cameras were deemed t ...more

Science-fiction writer Jules Verne predicted many scientific breakthroughs, including the moon landing, tasers, and nuclear submarines. In his 1874 book The Mysterious Island, Verne writes: I believe that water will one day be employed as fuel, that hydrogen and oxygen which ...more

In this article, I'll show you how to make a glowing orb. The orb is a fun, round flashlight useful for lighting your path in a magical way. Consisting simply of LEDs, a tennis ball, a battery and a switch, it's a great simple project for beginners with electronics. Here's a v ...more

The HP Touchpad 64 GB is out in action with a robust processor and additional applications in the market. Using the best technology on earth, it is looking forward to give a tough fight to the Apple’s iPad 2. The 64 GB HP TouchPad sound more promising to its predecessors. The ...more

Video game controllers are our windows into the soul of the machine, our sole means of interacting with them. More often than not, consumers seem displeased by their controllers; it's comforting to blame sticky, poorly laid out buttons for messing up your game than your own la ...more

Advancements in technology usually lead to the miniaturization of old technologies, and video games are no exception. Since at least 1990, game hardware manufacturers and enterprising DIY electronics enthusiasts have poured their efforts into making full-size video game consol ...more

I love making beeps and bloops with the Arduino pitches library, but sometimes archaic 8-bit tunes just don't cut it. Whether you want your robot to terrify your enemies with a demonic synthetic voice, you just need a pocket boom box on the go, or you want to a miniature guita ...more

Even if you live in a big city, chances are you have some wild raccoons or foxes that cannot abide a vertical trash barrel. While apparently omnipresent, these phantasmic critters usually vanish in the night leaving only a shameless trail of refuse you never wanted to see ever ...more

Valentine's Day is almost here, and if you're like me, you're scurrying to do something special for your mate. The standard chocolates and flowers just isn't cutting it anymore, and you can only make so many homemade cards before it becomes banal and meaningless. So, what can ...more

Whether you're in an airport, restaurant or waiting room, the insidious grip of televisions on human life is omnipresent. Sometimes it's nice to talk to other human beings while looking at them directly—actually hearing what they have to say. Thankfully, there's a DIY device ...more

This article will show you how to make a proportionally correct 1/187 (about) size Hubble Space Telescope. I tried to add as many details as possible, but it was hard at such a small size. It was really easy, but it did take a while to make. Here are some specs for the real H ...more

I have an absolutely wonderful time making projects and writing articles for all of you mad scientists! Today, I will bring you behind the scenes for a look at the workbench, tools, and software that make the Mad Science World possible. Above is my beautiful workbench! My who ...more

These goggles are great for a stage prop, cosplay, Halloween, or any videos you may make! They're made to look like Sam Fisher's tridents from the game series Splinter Cell. Materials Goggles (any will do... ski goggles, swim goggles, safety goggles, etc.) Glue PVC (1¼-inch) ...more

Buy yourself a set of allegator clips or jumper leads. Wait until your mate is asleep or passed out. When your mate is asleep get the jump and put it on their nipples/buttocks/toes anything. Wait and see how long it would take them to notice this. Warnings DO NOT AND I RE ...more

Obviously, millionaires like me don't really have to worry about an empty wallet, but for the rest of you out there, having no cash when it comes time to paying a bill can be excruciatingly embarrassing. There is nothing worse than going up to a register thinking you've got s ...more

If you ride your bike at night frequently, you've probably had at least one close call with a car, pedestrian, or some other moving obstacle because of reduced visibility. Not only is it dangerous to ride at night without lights, it's illegal in a lot of places. Make sure no o ...more

This Black Friday, there are a lot of smartphone deals. Whether you're picking up a new phone or already have one, one of the first purchases you'll want to make is a protective case. And just like nearly every other item, there's plenty of money to be saved on some great phon ...more

A flashlight is one of those things you rarely need, but hardly ever have when you do. The normal-sized ones are unwieldy to carry around, and the small ones that you keep in a purse or car are easy to lose. You can solve both of those problems and get the best of both worlds ...more

At night, it can be pretty difficult to see what's inside drawers and cabinets, unless you have night vision or something. Sure, you can turn on the light, but sometimes you're in such a hurry that you don't have 5 seconds to walk over to the light switch and turn it on. Perh ...more

A common misconception is that all car batteries die. This, in fact, isn't true—the majority of "dead" car batteries just don't contain enough juice to power a car, but they can still provide enough watts to keep emergency fans and lighting running, which is great when a power ...more

Uh-mazing...London based designer team Francesca Rosella and Ryan Genz have created a dress embroidered with 24,000 LEDs. From Wired, "'We used the smallest full-color LEDs, flat like paper, andmeasuring only 2 by 2 mm,' said the designers. 'The circuits are extra-thin, flex ...more

Advancements in technology have made it perfectly possible to make a short film or even an entire movie with your iPhone or Android — as long as you've got the right gear. Lenses, stabilizers, tripods, lighting, microphones, chargers, and cases can make the difference between ...more

HTC's Sense 6 has been out for over a month now with the One M8, and most of you have probably played around with its better known features, like the new Camera app and Harman Kardon audio. As great as those features are, there is still much more to be found underneath the su ...more

Three new iPhones means you have to make a choice: Do you go with the smaller iPhone XS, the larger iPhone XS Max, or the cheaper iPhone XR? There's lots to like about each model, but if you want to make an informed decision, it's time to learn what each has to offer. Here's w ...more

Sony Corp. is working on new battery technology that the company says would have a 40% longer life than a lithium-ion battery of the same size. Sony is planning to have the higher-capacity batteries on the market around 2020. Sony's current lithium-ion battery.. The new batter ...more

The cell phone may have replaced the pocket watch, but thanks to some clever mods and hacks, "old-fashioned" time telling is making a comeback. Smart watches that connect to your mobile device cannot only tell you what time it is, but also change the song you're listening to a ...more

Whether it's using precious data or wasting battery power, switching between Wi-Fi and cellular service on your Android device can be a hassle. If your Wi-Fi is off, you may not know about free hotspot networks in the area you're in, leading you to waste network data (which mo ...more

As dedicated bicyclists are well aware, riding can be very dangerous. Now that daylights savings time has ended in the United States, darkness appears quicker, and the night is especially dangerous for cyclists because of the low visibility that drivers have. Not only is darkn ...more

In the past few weeks, you've already learned how to make your bike light up at night with some DIY rim lights and handlebar lights. But how about something a little more functional? Instead of using those tedious hand signals (which drivers don't even understand), spruce up y ...more

Do you have two dollars and a water bottle? Then you can put together this simple but awesome solar-powered lantern that will provide more than enough light to read by at night. To begin, you'll need a water bottle, of course, some string, and optionally, a little bleach. You ...more

For many, phones are starting to replace televisions as the primary device for watching videos. Thanks to their portability and easy to use apps, it's often simpler to watch Netflix, Hulu, YouTube, or Prime Instant Video on the smaller screen. But not every phone is suited to ...more

The original iPhone SE was, for some, the perfect iPhone. It brought back the popular one-handed form factor of the iPhone 5 but packed in the internals of the then-new iPhone 6S. Now, the second-generation iPhone SE is here for 2020, but can it live up to what made the first- ...more

The newly-announced Moto G7 Play offers some of the same upgrades as its sibling, the Moto G7, but at a much lower price. The upgrades are pretty significant when compared to last year's Moto G6 Play, taking this phone from the "only if you're on a strict budget" category into ...more

The iPhone XR has touched down alongside the XS and XS Max, and it utilizes tried and tested materials found on the iPhone 8, while being molded in the same vein as the iPhone X. The budget-friendlier flagship comes with its own set of design elements to set it apart from its ...more

Apple's successor to the iPhone X is a beautifully made smartphone with much of the same characteristics, including a 5.8-inch OLED screen, two storage choices, and Face ID. But many features set the iPhone XS apart from its predecessor, as well as the other 2018 lineup of iPh ...more

I was in college, and my 15-inch Sony Vaio laptop was my prized possession. It was my first PC and probably the most important thing I brought with me to my dorm — it was both how I completed my assignments and my primary source of entertainment. How could it turn its back on ...more