Make a Potato Battery Light Bulb

Why does the world work the way it does? Linda Dong takes basic scientific principles and translates them into beautifully simple, explanatory images. The narrower the light source, the more sharp an object's shadow becomes. (Foam core, light). A battery is anything that conv ...more

Most of us have conducted an investigatory science project without even knowing it, or at least without knowing that's what it was called. Most science experiments performed, from elementary to high school students and all the way up to professional scientists, are investigato ...more

I like to grow vegetables all year round, and I couldn't afford the big gas bulbs, or the power to run them. The big gas bulbs: can explode can burn you and your plants cost upwards of $50 a month to operate raise the temperature in your home, causing the air conditioning to ...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

In the perpetual search for a renewable and convenient energy source, our bacterial friends have once again stolen the limelight. Since bacteria multiply so fast, they are the ultimate renewable resource. And since they are living organisms, their metabolism produces by-produ ...more

Sick of using potatoes as side dishes for your dinner meal? Left in their uncooked form, raw potatoes have a variety of weirdly practical uses, from aiding you in removing a broken light bulb from its fixture to keeping your ski goggles clear in the cold weather. A raw potato ...more

Update (Fall 2020): Samsung's version of Android 11 is already in its testing phases! One UI 3.0 is expected to hit recent flagship Galaxy devices towards the end of this year, so check out the new list of features: New Version: All the New Features & Changes in Samsung's One ...more

You're lost.  You're cold, thirsty— you're hungry.  What if you're not much of a hunter?  Maybe you're a gatherer.  So, then you'll eat plants.  But what if you eat something poisonous?  What if you're allergic to it? Okay, so not many people will find themselves in a situati ...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

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. Thanks to all of our active moderators and ...more

This is a how to video on how to remove a light that broke from a lamp. This is also easier than destroying a potato. Just be sure to please unplug the lamp before attempting this. Failure to do so can result in serious injury or death. Never allow children to perform this ope ...more

Fresh herbs are a surefire way to enhance a dish, but buying them at the store each time you need them is costly. Luckily, growing your own herbs is a lot easier than it seems: You can even using cuttings from the herbs you already buy to start your own little herb garden. An ...more

Not having power sucks. It can be fun for the first few hours, but if it lasts any longer than that, most people run out of things to do pretty quickly (i.e. the batteries in all their devices die). One thing that's awesome about outages is they're a great excuse to light a b ...more

LIGHTFAKTOR is a Cologne artists collective experimenting with the "possibilities yielded by bulb (long-term) exposure and painting." The technique employed has been coined "light writing" - Wikipedia's definition: "Light writing is an emerging form of stop motion animation ...more

Halloween is this weekend, so if you're looking for a last-minute big batch cocktail that will keep your guests properly hydrated—and might turn them into mutants—look no further! (Note: This will not actually hydrate anyone, just so we're clear. Priorities, people!) Meet Zom ...more

The WonderHowTo Awards winners are in. The votes have been tallied. Despite all of these devastating wild fires, pyromania thrives!! Congratulations to Angel and his toothpaste potato fires for winning the 2008 Weird Science Award!! This fire setting trick rivals MacGyver's ...more

The new iOS 14 for iPhone arrived Wednesday, Sept. 15, 2020, alongside iPadOS 14, and there are a lot of features to uncover. Improved widgets. Better home screen customization. Exciting Messages improvements. New abilities in Camera and Photos. There's so much here that it'll ...more

When the power goes out, having the ability to contact others becomes extremely important, and your cell phone can be one of the most important tools to have. But if the power is out for an extended period of time, battery life becomes a constant problem. Without the ability ...more

Cleanliness is next to godliness. My interpretation of that age-old adage means that keeping your house clean is just as un-fun and boring as being a goody two shoes. That's why they call things like laundry and doing dishes "chores," I assume. Yuck. Lucky for you, though, we ...more

It's been proven over and over that you can make batteries out of fruits and vegetables such as lemons, potatoes, and even apples. Turns out, passion fruit is also acidic enough to power a battery, but Maui Makers member Ryan K decided to take it a step further by adding a las ...more

Smartphones and dark mode go hand in hand. Screens can be bright, causing eye strain and battery drain, and dark mode can take the edge off both. It's perfect for nighttime browsing, but also for general use, especially on OLED displays with inky blacks. Dark mode, aka night m ...more

There are a ridiculous number of onion varieties, so choosing the right onion can make my head spin sometimes. With four distinct types of "green onions" that all look almost the same, I'm guessing you have the same issue—but not once you know the secrets to identifying and pr ...more

Most recipes don't specify what type they mean when they call for onions. While using whatever kind you already have won't necessarily ruin a dish, using the best one for what you're cooking will definitely make your food taste better. There are no strict guidelines for what ...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

Apple just seeded developers and public beta testers the GM (golden master) for iOS 14 on Tuesday, Sept 15. The update (18A373) comes just after Apple's "Time Flies" event, and six days after Apple released iOS 14 beta 8 for both developers and public testers. Apple released ...more

The holidays are here. From the week of Thanksgiving until the end of the year, retailers will be offering massive discounts on your favorite items. So if you're looking for smartphone accessories, this is the time to buy. From Walmart to Best Buy, there are deals everywhere o ...more

Most of us lead busy, work-filled lives, often clocking in a 9-to-5 five days a week. And when that clock signifies the hour to leave, the last thing on anyone's mind is: "Time to go to the grocery store to pick up more fresh produce!" (Well, to be fair... maybe more people ar ...more

To make soap, you need fat, and if you've seen Fight Club, you're probably well aware of where soapmaker Tyler Durden got his fat from. Liposuction clinics. If you're not willing to go that far for a perfect bar of homemade soap, you can just use some drain cleaner and America ...more

Apple's iOS 14 is here. With it, you'll see over 200 new features and changes hit your iPhone, including home screen widgets, inline replies in Messages, and cycling routes in Maps. Here's how you can get your hands on the brand new update. Apple released iOS 14 to compatible ...more

Apple released iOS 13.0 on Sept. 19 and announced on the same day the release of iOS 13.1 on Sept. 30. But that deadline was pushed up to Sept. 24, and that's why we have 13.1 just five days after 13.0. But that's good news since we don't have to wait any longer for some of th ...more