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How To : Ripen an Avocado in 10 Minutes or Less

Summer cookouts and barbecues come with a lot of delicious foods, but to me, there's nothing better than dishes heaped with avocados. From guacamole to simply eating an avocado right out of its skin, I devour this fruit constantly—but it's one that can be tricky to find perfec ...more

How To : Trigger traffic lights to change from red to green

This instructional video shows how change traffic lights from red to green, using science, and without actually having to know anything about magnetic fields or properties! Save gas, time, and frustration in your car and during your commute! Works great! See the test results! ...more

News : Vortex Cannon Demolishes House

Jem Stansfield from BBC's Bang Goes the Theory has "put scientific theory to the test" with his Vortex Cannon. Filmed at 1300-fps, you can see the cannon knock down three different houses made of straw, stick, and brick with an explosive vortex ring. The vortex ring that come ...more

How To : Inflate Any Ball Without a Pump or Needle

What happens when you find your ball deflated and there's no pump or needle in sight? You could always cancel your plans of kicking around the soccer ball or starting that pickup football game in the park. Better yet, you could be terribly clever and find another way to get ai ...more

How To : Make a Fire Snake from Sugar & Baking Soda

A fire snake, also referred to as a black snake or sugar snake, is a classic science experiment you can do right in your own kitchen using a baking soda and sugar mixture and a fuel to ignite the reaction. When the baking soda gets hot, it makes carbon dioxide gas. The pressu ...more

The Science of Frothing : How to Make Your Own Milk Foam

Once upon a time in America, there was coffee and there was decaf. That's it. No capuccinos. No espressos. And certainly no Starbucks. Coffee was just coffee, something that you bought at a gas station or donut shop. If you made it at home, it was either in a metal pot or inst ...more

How To : Make a crazy foam explosion science experiment

Check out this video to see our Fantastic Foamy Fountain in action. The experiment uses Hydrogen peroxide and dry yeast. Hydrogen peroxide is similar to water but it has an extra oxygen atom. This makes it more dangerous and only adults should handle the hydrogen peroxide. Wh ...more

How To : Ripen Bananas Faster with These 3 Simple Tricks

A trip to any grocery store's produce section will quickly reveal that bananas are often picked from the tree well before their prime—which is necessary for them to arrive at our local store without going bad. In fact, bananas are refrigerated en route to our supermarkets in o ...more

How To : Light a Cigarette with an Empty Lighter

Need a smoke, but no one has any matches and your lighter is fresh out of fuel? This how-to video has got a cool trick you can perform to light your cigarette if you ever run out of lighter fluid. Despite the lighter being out of gas, you can still make a fire to light your ci ...more

DIY Blacksmithing : Forge Your Own Steel at Home!

Metal is a great material to work with. It's rigid, tough, malleable and conductive, but sometimes the part we need doesn't exist in any store. In order to create custom pieces, you need to either melt the metal and cast it in a mold, or heat it until it's soft enough to shape ...more

How To : 9 DIY Tricks for Cleaning Your Car

Ever see those cars so covered in dirt, dust, and grime that someone writes "Wash me" on it using their finger? Well, for those cars' sakes, as well as cases less extreme, a word of advice: procrastination is not a solution — it can only compound the problem. Self-cleaning car ...more

How To : Save gas

Learn how to save gas, the secret the oil companies and car manufacturers don't want you to know about! This how-to video explains common causes for your car to be sapping gas faster than it should, how to make some simple adjustments, and maximize your gas. Don't be a slave t ...more

How To : Make methamphetamine

This video shows you how to make Methamphetamine. The process for making it in chemistry terms is called an acid catalyzed dehydration of an alcohol using an E2 mechanism. The chemical compound being used is called Ephedrine. To turn Ephedrine into Methamphetamine you first ne ...more

How To : Refill a disposable Bic cigarette lighter

Everyone knows how to refill a Zippo or butane lighter, but what about the Bic disposable lighters? Believe it or not, you can actually refill those, too! All you need is some lighter fluid and patience. Make sure that you do not accidentally crack the lighter while you refill ...more

How To : Create light with Mentos and Mountain Dew

Systm is the Do-It-Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. They will help you avoid pitfalls and get your project up and running fast. In this DIY episode, see how to create light w ...more

How To : 10 Ways to Open a Beer Without a Bottle Opener

As exciting as it can be to crack open a beer, there's nothing fun about wandering around a party and asking other partygoers for a bottle opener. Don't worry, we've got you covered: here are 10 crazy ways to get to drinking while impressing your friends with your ingenuity. ...more

How To : Make Homemade Jerky Without a Dehydrator

Jerky is one of the tastiest snacks in existence. It's packed with richness, saltiness, and spiciness, and it's one of those things that you can't stop eating once you start. It's also fairly expensive, unless you're opting for the gas station variety which is… er… jerky in th ...more

How To : Make hydrochloric acid from salt

In this tutorial, we learn how to make hydrochloric acid from salt. First, you will pour some salt into a distil flask. After this, you will add in some concentrated sulfuric acid to the salt. Next, you will let these react with each other. You will start to see gasses bubble ...more

How To : Calculate the Cost of Driving

With gas prices soaring in the US and around the globe, the cost to drive to a vacation destination is becoming a much larger expense item in the overall travel budget. Although it's easy to see that gas prices have risen dramatically in the past several months, it's not nearl ...more

How To : Remove dents from your car with dry ice

Save yourself a trip to the body shop to have small dents removed from your car. Watch this instructional video and learn how you can remove dents and dings from your exterior with dry ice - and without damaging your paint. Hide those dings before anyone notices. Follow along ...more

How To : Make Black Snake Fireworks With & Without Fire

In this video, I'll be showing you how classic black snakes work and how to make them at home. There are actually two methods covered in the video — one that uses fire and one that does not. So just choose the one that fits best for your situation. Video: . Black Snake Version ...more

How To : Harvest the sun with a homemade solar panel

Harvest the sun! This easy step-by-step tutorial will show you how to build your own solar heating/hot water system. Green energy is the wave of the future. Stop high oil and gas prices. All we need is 160°. No drilling, no rigs, no refining, no transportation, a no-brainer. ...more

Keep Champagne Bubbly (Hint : A Spoon Doesn't Work)

One booze hack that's been making the rounds for years is that inserting a spoon by the handle in a champagne bottle's neck will preserve its carbonation. This is one of those tips that I wish were true. Champagne is a great thing to have around on a special occasion, and it s ...more

News : Grueling Navy SEAL Training Toughest in the World

With the recent death of Osama bin Laden near Islamabad, the whole world has gone crazy for Navy SEALs. Everybody wants to know what it was like for SEAL Team Six to carry out their heroic mission last weekend. Others want to know what it takes to become one. Navy SEALs are t ...more

How To : Convert a propane grill to natural gas

Tim Carter, of AsktheBuilder.com, demonstrates the basics about converting your outdoor grill from propane to a natural gas grill. Propane grills have a hose that goes from the propane tank to the grill. Gas grills with have a fuel hose also. But this hose will run from the ba ...more

How To : Make nitric acid

Watch this science video tutorial from Nurd Rage on how to make nitric acid. They show three ways to make nitric acid based on two different chemical approaches, both of which can be done using easily accessible materials. Warning: The procedures in this video produce large q ...more

How To : Make a BB Machine Gun from a Soda Bottle

In a previous article, I showed how to make a powerful airsoft BB machine gun with a portable air supply using about $50 worth of PVC and air fittings. For this project, I have simplified the design to make a machine gun out of only 4 parts totaling about $15 that runs directl ...more

Your Fridge : You're Using It Wrong

When you come home from the grocery store, you probably put away every single fruit and vegetable in the bins and drawers in your refrigerator. Any fifth grader knows that fridges work to preserve food, thus everything should go in there, right? Nope! Chances are, you've been ...more

How To : Make a Mini Cannon From a Lighter

I love this project. It involves fire, projectiles, electricity, and is easy to put together from commonly available parts. This mini cannon fires airsoft pellets, is fueled by alcohol, and is made almost entirely from parts found in a standard BBQ lighter. The total cost is u ...more

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