Car Battery

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

Searching for some new new in Augmented Reality Apps I came across Augmented GeoTravel. I would have loved to have this app when I went to Europe. Being able to travel and hold up the camera & get more information on cool places I was seeing would have been awesome. It is like ...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

Yes it’s the 21st century and yes, everyone’s busy, everyone’s connected. Accept it. Move on. Be happy. DON’T BUY INTO THE HYPE—literally and figuratively. I’m here to tell you that YOU do not need all the ‘stuff’ that bogs you down or all the unnecessary information that doe ...more

The developing team Techland gets a free pass. Having thoroughly enjoyed their previous title, Call of Juarez: Bound in Blood, this sequel was bought on day one by good ol' fashion blind faith. After playing for most of today, it's still to early to tell if the game is a mess ...more

Bikes are a great form of transportation. They use human energy more efficiently than any other machine. You can keep it in your closet or hallway. You can even take it on the train in a pinch. However, this portability is also the bike's biggest draw back. If you own a bike i ...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

Planning the Trip Get lots of brochures Send for brochures of the places you will be visiting. Make a travel book with the brochures to get the grandchildren and their families excited. The best place to contact for these brochures are the Visitors Bureaus or the Chamber of ...more

Spent the weekend with Sprint's new phone, the HTC Evo G4. Specification wise, it's better than Verizon's Incredible and T-Mobile's HD2. Apple will be announcing the new version of their phone this week. If it's comparable to leaked phone shown over at Gizmodo, then to say whi ...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

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. First off, thanks to all of our moderators ...more

Written by JD Coverly of WonderHowTo World, LoadSave:We've spent the last week with Sprint's new phone, the HTC Evo 4G. Specification wise, it's better than Verizon's Incredible and T-Mobile's HD2. Apple has unveiled the new version of their phone this week and thankfully it's ...more

Before you go running off to the Apple store, you may want to educate yourself. DVICE is kind enough to compile the 20 biggest complaints about the iPad from a whole slew of reviewers. 1. Upscaling makes old iPhone/iPod Touch apps ugly. "Here's the problem: It looks terrible ...more

Since the invention of the mechanical clock, enclosure of the commons, and proletarianization of labor, the alarm clock has been the bane of our existence. While not actually evil, it does represent the constant and uncompromising glare of our owners shaking a patronizing fing ...more

Want an electric car without the price tag? You could always build your own, or maybe just hack your old gas guzzler into an eco-friendly electric machine... This weekend at Defcon, security consultant David Brown showed off his "Voltswagon" project, a 1974 Beetle named Shocky ...more

Apple caught a lot of flak for removing the headphone jack in their iPhone 7 models, but they definitely got the last laugh when preorders with a delivery date of September 16 sold out within minutes. Headphone jack or not, the iPhone 7 and 7 Plus are still highly desirable pr ...more

Apple AirTags are super helpful for keeping track of your keys, backpack, and other frequently misplaced items, but there are some pretty clever things you can do with them beyond finding your stuff. Apple's $29 Bluetooth beacons definitely drew some inspiration from Tile's l ...more

Aspiring engineers, your challenge, should you choose to accept it, has been issued by Jaguar Land Rover. Prove yourself and you can be the next in line for greatness. — Jaguar That is the challenge posed by Jaguar as they attempt to find the next generation of the best and ...more

If you ever want to try rebooting your car batteries before calling a towing service, make a solution out of 1 ounce of epsom salt dissolved in warm water, and apply the solution to the battery cell before starting your car. Epsom salt can also be used for making your hair le ...more

My grandfather's brother won this car in a lottery during 1957. He had no driver's license, but his brothers used to give him a lift in it. From 1975 to 1996, the car was parked in my grandfather's brother's garage. My grandfather moved the car on a trailer in 1996 to his gara ...more

Demand for Tesla's driverless features as well as its ultra-long battery ranges and a reputation for offering the best-in-class electric car driving experience helped Tesla see a 32% surge in its value as a brand, topping out at $5.9 billion in the BrandZ Top 100 Most Valuable ...more

It's new phone season — new handsets are releasing every few weeks, we're seeing endless software updates, and the holidays are right around the corner. We asked our tech-obsessed writers and editors to give us the lowdown on their must-have accessories when they splurge on a ...more

Automating tasks on your Samsung Galaxy Note 2 is nothing new. Everything from adjusting screen brightness, to turning on the flashlight, to saving Snapchat pictures can be done automatically with the help of a few function-specific apps. The only problem with task-specific ap ...more

We've been running the Essential Oreo Beta on our PH-1 over the past week and compiling a list of important changes. If you're interested in getting the Beta yourself, we even put together a quick guide on how to do that. Now that we've ran down the best new features, let's ta ...more

Do you know what your smartphone is made of? I've had smartphones for years, but if you asked me that question I'd probably respond with "Wi-Fi." For uninformed consumers like myself, it may shock you to know just how much goes into creating a smartphone. Materials must be co ...more

Other than sticking your crayon drawings onto your refrigerator door, magnets have a variety of unexpected and sometimes surprisingly practical uses, ranging from keeping your chip bags sealed to creating weird patterns on your nail beds using magnetic nail polish. The strong ...more

So, someone on your shopping list has an iPhone. Lucky for you, Apple's line of smartphones are practically made for accessories. From AirPods to adapters, there's something for every iPhone user in your life. Are you feeling overwhelmed by the options? You've come to the righ ...more

Night vision goggles are awesome, but the price? Not so much. Luckily, you can make your own pair that will have you sneaking up on your friends in just a few simple steps. For this project, you'll need to get your hands on an infrared LED array, on/off switch, 9.6 volt batte ...more

2019 has been a great year for smartphone batteries. Several phones have topped the 5,000 mAh threshold, and Apple finally went all in on 18 W USB PD charging, which means millions of new users are finally taking advantage of fast charging. All of this gets even better when yo ...more

Sorry, Galaxys S11–19, Samsung's jumping straight to Galaxy S20 this year. They're also going with essentially three base models before accounting for niche variants. Of these three models, it's clear which one's the best: the Galaxy S20 Ultra. We've rounded up all the specs ...more

Microsoft recently released "Seeing AI," an app aimed to help the blind understand their surroundings. As Microsoft puts it, "the app narrates the world around you by turning the visual world into an audible experience." We asked Matthew Chao, the brother of one of our founde ...more

Besides your car insurance information and a spare tire, what are some other essential items you should always keep inside your vehicle? For emergency car repairs, duct tape and WD-40 spray can come in handy for a number of DIY fixes, such as covering a broken window or headl ...more

We've all been there. Stranded in a large lot or parking garage, braving the rows upon rows of identical cars in an endless concrete landscape because, for the very life of us, we can't remember where we stashed the very ride that brought us there. Smartphones do almost every ...more

Russians are well known for their knack at documenting exciting and horribly beautiful events on the go, from insane car accidents to attempted insurance fraud and even a superbolide meteor streaking across the sky. Videos like these aren't limited to just Russia—dashcams are ...more

Rooting. As an Android user, I'm sure you've heard the word once or twice. According to Kaspersky, 7.6% of all Android users root — but for the 92.4% who don't, we wanted to talk to you. Rooting allows you to remove barriers and open Android to a level of unprecedented contro ...more

While iOS 11.3 doesn't have as many new features as iOS 11.2, there's still a lot to love about Apple's latest update for iPad, iPhone, and iPod touch, even if some of the best features we were expecting didn't make the cut. Apple released the iOS 11.3 beta on Jan. 24, and ju ...more

It's one hell of a device, but the Samsung Galaxy S5 is still susceptible to the many hazards that other smartphones are prone to: theft, cracked screens, poor battery life, and particularly, overheating. If your Galaxy S5 is burning a hole in your pocket—and it's not from yo ...more

Aside from being completely adorable, Fijibot is a completely autonomous robot that automatically seeks out light sources to charge his solar-powered battery. He's built from a 1.5 liter Fiji water bottle, packed with an Arduino Uno, 6 volt solar panel, and an Arduino Proto Sh ...more

Capstone's CMT-380 stealth looking prototype can hit 150mph, compared to Tesla's 125. Tesla better step it up. Says Engadget: "Rather than mixing batteries and a conventional engine, this whip combines the former with a diesel / biodiesel-powered microturbine, which is -- fo ...more

The lemon battery has a rich history in many elementary science classes as a great example of an electrochemical reaction. This is not magic, or a hoax. The nail and penny create charged poles in the fruit. Unfortunately, filling a car with a bushel of lemons and driving cr ...more

It feels like just yesterday Apple unveiled iOS 13 to the world, introducing game-changing features like system-wide dark mode and enhanced editing tools in Photos. But WWDC 2020 is rapidly approaching, which means iOS 14 is as well. As it turns out, we don't need to wait for ...more

For many of us, our work phone and our personal phone are one and the same. Just any old phone isn't going to cut it when you need to meet a deadline — a phone with built-in features that make it easier to get things done is almost a must. For this article, we defined product ...more

Driverless partnerships continue to appear as Continental AG, leading German automotive manufacturing company, has signed a strategic cooperation agreement with global electric startup, NIO. The goal of this partnership is to research, share, and develop autonomous technology, ...more

Just like a rapper engaged in tweet feud, Elon Musk was working overtime on Twitter this morning, dropping information about the upcoming Tesla Model 3. He even gave a sneak peek of the "release candidate" version of the car, sharing a brief clip of the car driving, which, let ...more

While texting and driving may get you a ticket, there are still a ton of uses for your phone in your car, music and navigation just to name a couple. Every Android device comes with access to GPS and traffic updates, but none of those apps really have your back in real-time. ...more

One of the roles our government has taken on is to provide us with information to be used in making decisions. For example, the EPA stickers on the Nissan Leaf and Chevy Volt state that these electric cars can travel 93 and 99 miles per equivalent gallon. Unfortunately, the ...more

Most cars made in the last ten or fifteen years can be unlocked with a keyless remote, and once you get used to them, unlocking your car with a traditional key feels like a pain. The most common reason they stop working is just because the battery needs replacing, but when the ...more

Shooting a photo or video in a car can be rather difficult without a proper mount, and if you want to secure your camera outside the car, it can be just plain expensive. Luckily, there are tons of DIY camera mounts for both inside and outside your vehicle, and most of them are ...more

No matter what device you have, Android lag will get you down. It's our little green robot's only major downside, and you've probably noticed it quite a bit on your Nexus 7 tablet. Apps open slowly, actions stutter or pause, and loading files takes forever. There are ways to ...more