How To: DIY Rocket Propellant! How to Cook Solid Rocket Fuels Using Common Household Ingredients
Cooking isn't something that interests me much, unless it results in a fast burning fuel and a successful rocket launch!
Cooking isn't something that interests me much, unless it results in a fast burning fuel and a successful rocket launch!
It always sounds like a good idea to throw a party... until the party gets there. Next thing you know, you're running around hiding anything breakable, and once everyone leaves, you're stuck cleaning up the mess. But the worst part is footing the bill for everything, and if you don't charge at the door, your chances of getting anyone to chip in are slim to none once the party starts.
A couple of months ago at the Black Hat security conference, hacker Cody Brocious gave the hotel industry a nasty surprise when he figured out how to hack the locks made by Onity that are used in millions of hotels worldwide.
You can do a lot with liquid nitrogen, including freeze and shatter gummy bears, make homemade Dippin' Dots, and scare the crap out of your friends by dipping your hand in it! If you can't get your hands on any, you can even make it yourself. Or, if you want to try something a little more destructive, you can use it to make an explosion and send 1,500 ping pong balls flying.
So you've made a somersaulting robot, one that delivers your beer, and even a robot you can ride, but you want to try out something really different. Why not add a steam engine?
WonderHowTo has seen its fair share of dragon-related projects, from dragon wings, to dragon kites, to less-complicated origami dragons, but we've yet to see anything quite like this. Radio-control plane builder Richard Hamel built this incredible seven-foot-long, fire-breathing dragon using a JetCat P80 turbine and a 50,000 volt stun gun, with a 2.4-gigahertz touchscreen radio controller to fly it.
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 pretty cheap to make. Here are some of the best.
Back in 2008, media artist Kyle McDonald created a 3D interface that could track movement, which he turned into a virtual Tic-tac-toe game.
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 one can miss you with these DIY handlebar lights from Becky Stern at Adafruit. What You'll Need
In this video, I show you a technique for hacking a four foot mega magnifying lens out of your old projection TV. Not only are these TVs everywhere, they can be found easily—for FREE!
Crysis was an amazing game. And Crysis Warhead was great, too. If you haven't played them, you sure missed a great ride on the action train. But don't worry, you can get your feet wet with the newest edition to Crytek's Crysis series—Crysis 2—available from Electronic Arts. A demo of the multiplayer mode became available earlier this month for the Xbox 360 on Xbox Live, and now the multiplayer taster is slated for March 1st on PCs (sorry PS3 gamers). The PC demo will feature two new maps call...
So, you can't decide— movie on your iPhone or web-surfing on your iPad— why not do both?
MyShoppingGenie is an online shopping application that can help you find the best deals on products you search for.
Sometimes ghetto is the way to go. Yankee ingenuity is always the way to go (at least on WonderHowTo, that is).
The "wood-chopper" isn't just for lumberjacks. You can get the full woodsman workout yourself, without the axe! Men's Health shows you how to do the wood-chopper exercise, and when you power through this move, your upper and lower body, along with your core muscles, are working to the max.
The "inverted row" is a great move for the beginner who cannot yet perform a proper chin-up or pull-up. Men's Health shows you the ins and outs of this arm exercise.
Maintain your shoulder joint rotation. Men's Health recommends this workout for maximum upper body flexibility.
This classic, simple exercise from Men's Health is a great way to start building your body resistance. The video also gives great tips for your chest-toning progression.
This great end of workout exercise from Men's Health is relatively simple. A muscle isolation exercise keeps your muscles stretched and flexible for the next time.
Men's Health shows you a great exercise to build your core. A well built core equals toned abs. Lie on your side with your forearm on the floor under your shoulder with your feet stacked together. Push your hip off the floor creating a straight line from ankle to shoulder, keeping your head inline with your spine.
This workout video from Men's Health gives you a step by step demo of a side-bridge. This exercise is a great way of toning abs.
This video from Men's Health shows you the proper way to get a fit chest by doing a barbell bench press. Safety first!
This is a great Men's Health abs workout called the "front-pillar with diagonal arm-lift". The bridge position is a fantastic core muscles workout for the abs.
This exercise is called the "single-leg, single-arm, Romanian deadlift" and provides a great leg workout. Men's Health gives the details on this exercise, which as well as blitzing your hamstrings, glutes, and lower back, this move will strengthen your core muscles and stabilizer muscles.
Target your posterior chain muscles. In this video from Men's Health, see a leg workout called the "single-leg squat touch down". This squat targets the muscles of the posterior chain, the glutes, hamstrings, and lower back.
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 adhere to leaves with power 100 times stronger than its own body weight".
This collection of instructional videos from BaseballRox focuses on the big three footwork positions for the catcher. Coach Luckhurst explains the Big 3 footwork, the jump-shift, the rocket throw and much more as a catcher in the sport of baseball.
The foundation of a bed is really the mattress itself. So, that means that money should not matter when dealing with mattresses. You should invest in the best and highest quality mattress you can find. If you can spring for the ultimate mattress, a good option is the featherbed, or a memory foam. Then, to make your bed even more comfortable, there's the sheets and the comforters. To learn more about the blankets and other goodies to make the perfect bed, watch this Chatelaine video. Oh… and d...
You see people every day, but for some reason drawing them is always so difficult. Have a look at this tutorial for tips on how to draw very easy people. This video is meant for beginners and will show you how to turn a simple stick figure into a lifelike drawing of a person.
Assuming you have already downloaded your desired theme off of the internet, this video will show you how to load it onto your PSP. Having custom themes on your PSP makes for a more spiffy design. It allows you to break free from the default ones loaded by Microsoft. Theming your Playstation Portable is fast, easy, and requires access to a computer.
To keep your lawn healthy, you'll want to fertilize it twice a year: once in fall and once in spring. But what type of fertilizer should you use? The answer, of course, has to do with the type of lawn you have and the sort of results you want to see. For more information on choosing the right fertilizer for your own lawn, watch this home landscaping tutorial.
Join Matt Null (NCA/Millersville/Cheer Excel), Lindsey (Fire and Ice Allstars), Carly (Seton La Salle HS), Greg (Step 1 Allstars) and EJ (IUP) as you learn how to load, set and execute a sponge to prep (elevator) to sponge. Great tips for the beginning cheer leading coach or cheerleader!
Dishwashers are amazing at cutting down kitchen clean-up time and providing dishes, cookware, and cutlery that are spotless and free of germs. Although the machine does do most of the work for you, using it properly will ensure that you get the best results. This video is going to show you how to properly load a dishwasher.
Watch this video sewing tutorial and learn how to use a rolled hem foot on a sewing machine. A rolled hem makes a small, lightweight hem appropriate for thin fabrics and delicate projects. Use a rolled hem foot on a sewing machine.
When you do a super crouch start, you should make sure that both of your feet are shoulder width apart. Your right foot should be out heel to heel and also your left foot should be in the back. Do a super crouch start.
In this video, a young boy explains some beginners tips for learning to rollerblade. First start by standing still on the rollerblades. Then try lifting your feet up and down in place, to get a feel for the balance. To move forward, lean forward a little bit and move the skates by pushing them from side to side, back and forth. To jump on rollerblades, skate forward quickly in a straight line and jump with two feet. To twirl on rollerblades, skate forward and point both toes outward, which wi...
This video shows you how to install a hardwood floor over concrete. You will need a plywood base. This video demonstrates the nail down method. You will need 15 nails per 8 feet by 4 feet sheet; plan according. The entire process is very easy and gives you easy steps to follow. The demonstrator gives some good pointers that might help you avoid any serious mistakes. The flooring installed will be suitable for solid flooring or multiply engineered flooring with a heavy wear layer. This is a ve...
Try adding some weighted bar exercises to your workout routine to not only strengthen you arms but to increase your core and back strength as well. Use heavier weights to build larger muscles and more reps at a lighter weight for lean strong muscle.
Having a healthy lifestyle is very important. In this video, learn how to do a forearm stand with Tara Stiles in her "Let's Get Physical" Challenge. First, lay your forearms on the ground. Make sure your elbows are directly below your shoulders. Have the rest of your body in plank pose (your feet on the ground and your body flat.) After a little bit, walk your feet back up so that your body now forms an arch with your butt in the air. Walk back to your plank pose and stay there. If you're loo...
This arts and crafts video teaches us how to make a mermaid tail in minutes. Our instructor tells us how she got requests for this after people saw her video, in which she swims in a mermaid tale. To make the mermaid tale, find some stretchy pants. Any pants that are light and are able to stretch will work. Do not use jeans. To make the tale, you put one leg in one hole of the pants, and then you put your other leg in the same hole. Next, take the other leg of your pants, wrap it around your ...