Solar Powered Cars

In this article, I'll show you how to make an awesome "Death Ray" using the large magnifying lens from an old projection TV. The lens is called a Fresnel lens; a device that employs several ridges to focus light, rather than a complete curve. When sunlight passes through the ...more

The use of unmanned aerial vehicles (UAVs) has been widely used by the military for surveillance and reconnaissance missions—even armed combat. But there are other beneficial applications of an unmanned aircraft, such as search and rescue operations, scientific exploration, lo ...more

Vintage plans for building motorbikes, lawnmowers, and old automobiles are fun to browse, but who actually builds them? Meet Bob Ferry, a 51-year-old machinist from Louisville, Kentucky. According to Inside Google Books, Ferry dug through Google's massive catalogue of 3 milli ...more

Remember what life was like before your iPhone? Before there were palm-sized smartphones with seemingly endless features, there were phones like Motorola's RAZR that peaked with its embedded camera. Before that, there were simple flip phones with texting capabilities, bulky tw ...more

Just the other day, we featured Perry Watkins' "Wind Up" mini car, plus his extreme lowrider, the "Flatmobile". Both impressive. But somehow I missed Watkins' most delightfully absurd vehicle. "FastFood" is a 130 mph Queen Anne dining room table, complete with the fine silver ...more

What happens when a bunch of Bollywood filmmakers unleash their imagination with the aid of Maya and After Effects (plus lots and lots of paisas)? The sci-fi flick Enthiran (Robot), the most expensive Indian film ever produced. Non-stop action, violence, explosions... absolut ...more

Yep, anything (on Earth). Below, BBC One's Bang Goes the Theory demonstrates how normal sunshine can become a lethal heat-ray of 3,500 degrees celsius (with the aid of a high-performance solar furnace). That's hot enough to melt rocks. More by Bang Goes The Theory: Vortex Can ...more

A group of New Zealand students have designed the ultimate green addition for eco-friendly living: a "clip-on" Plant Room. The Plant Room is a small cubic room that bolts to the exterior of a building, allowing extra space for the typical cramped city dweller. The space is in ...more

Or at least that's what Nick Homer and Stewart Clyde, students at Brigham Young University, claim. Nick and Stewart say: "Of course we get all the ladies..." But sadly their chick magnet has been banned: "Two twelve volt car batteries power the broken wheel chair moving the ...more

Last year WonderHowTo's favorite daredevil Travis Pastrana attempted to land the world's very first monster truck backflip. Unfortunately, it didn't quite work out as he had hoped. Here's what happened: Now, one year later, Pastrana's fellow Nitro Circus stuntman, Cam McQueen, ...more

We have seen it before (previous post: Human Powered Ferris Wheel), but it never gets any less amazing. Talk about resourcefulness. No need for electricity. Use humans to power your ferris wheel (if you had one sitting around... I wish I had one). Via Make, "At the Hindu Swas ...more

Graffiti is a great way of getting your message out to the masses. The earliest known graffiti dates back to 30,000 years ago and used the traditional apply-paint-to-wall technique. Though our paint now comes in cans and not from scavenged berries, the actual graffiti process ...more

With give or take 250 million cars in America, odds are most city dwellers waste time hunting for parking spots. And while a smartphone app can't make free parking spots magically appear, it can aid in the searching process. The Parker app isn't new to the iPhone, but its fou ...more

Back in the '80s, I was just a kid with a LEGO hobby. I remember building castles and floating boats, spaceships and monster trucks, even a working LEGO train powered by battery, lights and all. But I wasn't aware of the advancements underway in the educational department—lik ...more

Understandably, the tragedy in Japan has substantially risen the level of worldwide radiation-related hysteria. So much so, as an alternative to stampeding health food stores for iodine tablets, crafty individuals and organizations are hacking together personal radiation detec ...more

LIFE magazine has posted a gallery of bizarrely wonderful old school scientific models. Don't miss the giant fetus or massive colon (double ew). Behold, science education before computers ruled our world. A girl scout leans in to take a closer look at an enclosed model of the ...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

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

Sounds like an odd bragging right, but hold your horses, artist Hannes Langeder's handmade Porsche is pretty damn interesting. "The bicycle Porsche functions as signifier for the fascination with the figure of an automobile that has lasted since the 1950s; yet Hannes Langeder ...more

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

Chris Burden's latest piece is a portrait of L.A.'s hot mess of traffic, entitled Metropolis II. The artist has constructed a miniature highway system, complete with 1,200 custom-designed cars, 18 lanes, 13 toy trains and tracks, and a landscape of buildings made with wood blo ...more

Hey wizards! I've compiled a list of all the Sun, Moon and Star spells you can learn, who to learn it from and what level is required to use it. Sorry, no pics. Scroll down to the bottom for links.Solar Spell List Enchantments Cloak - 0 pips Effect: Cloak a Ward or Charm Locat ...more

Look what came in the mail today! The File Cabinet from hell. Die hard Jackass fan and file cabinet mod-junkie Jeff Dahlin tracked us down to drop off this gem at WonderHowTo HQ today. It is his official entry for the Jackass Prank Contest. It has three wheels.... so it's a tr ...more

It is the file cabinet from Hell. Look what came in the mail today! Die hard Jackass fan and file cabinet mod-junkie Jeff Dahlin tracked us down to drop off this gem at WonderHowTo HQ today. It is his official entry for the Jackass Prank Contest. It's a three-wheeler, does tha ...more

Today's fancy cars come with all sorts of options, from power mirrors to working seat belts. Some of us condemned to live in the reality of capitalist recession have no car, or perhaps a very modest one. But your modest car can still have some cutting edge technology wedged in ...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

How do you review an app that refuses to work for you? I was quite excited this week to review iCinegraph, an iPhone App that simplifies the creation of cinemagraphs. However, if this was a car review it'd be the kind of review where the car under consideration is never able t ...more

If you haven't had a pile of pipe and fittings to play with before, it's hard to see what is so cool about a plain, plastic pipe. All it does in the house is carry the poop away. Really, who cares? It's hard to even decide where to begin here. The first chance I personally ha ...more

Back in the Super Nintendo days, playing one RPG after the other, memorizing maps and mazes became second nature if you didn't want to look at the mini map or get lost often. I would make it a point to memorize corners and the overall structure of the dungeon or location, so t ...more

We've gathered some of our favorite pranks with the seasonally appropriate for all you college kids out there. You're more than likely cohabitating with a complete stranger, and what better way to make a good first impression and develop a strong personal relationship than sub ...more

Oh, LifeHacker, we love you. You've brought us so many handy HowTo's: Hack Wireless Internet, Bypass Blocked Websites, Convert a Laptop Into a Projector, Watch TV & Movies on the Web For Free, 10 Must-Know Google Privacy Settings, and more. And now, another great one: LifeHac ...more

How many of you know all the amendments of the Constitution? Do you even know how many there are?? Well, many of the people I speak to don't. And let me tell you, that's a bad thing. Knowing even the basics of the Amendments can have a profound effect in your lives. Ever got p ...more