Air Pressure Water Pressure

How heavy is a plastic bag? Not very heavy at all, but in order to use a plastic bag to help me karate chop a thin wooden stick, I don't need weight—I need air pressure. Below, the "Quick Clip" demonstrates the power of air pressure via the vacuum created between a plastic bag ...more

The last iOS software update was a modest one, but iOS 17.4 has a lot more for your iPhone, including changes to emoji, Podcasts, security, Safari, widgets, Apple Cash, CarPlay, and more. Many of the exciting changes in iOS 17.4, as well as iPadOS 17.4, apply to users in the ...more

With the nation facing a shortage of ventilators for COVID-19 patients and no apparent ramp-up in the production of new ones, engineers, medical resistents, and do-it-yourselfers are sharing plans for homemade versions. But before you go online to start ordering parts for any ...more

Kitchen tools are a personal thing. One hard lesson for me to learn is that just because something is popular doesn't mean that it's right for me. Take the slow cooker, for instance. Many rave about it, but I never cottoned to the thing. However, the more research I do, the mo ...more

Tire pressure is often overlooked, but can decrease your fuel mileage if you tires are not properly inflated. Have you ever peddled a bike with low tires. If you have, then you know it was much harder than when the tires are aired up. A car is no different. Low tires requires ...more

Dulce de leche is a beautiful, caramel-like spread that you can slather onto bread or use to flavor cakes, cookies, or flan. You can also use it as a drizzle for ice cream, chocolate candies, and pastries. It tastes like heavenly toffee, translates roughly to "milk candy," and ...more

When given the choice between canned and dried beans, many of us are guilty of reaching for cans. They're much more convenient than investing 5-6 hours of your time to make dried beans edible. Unfortunately, while canned beans are convenient, they're certainly not better. The ...more

An experiment was carried out at our laborataries to investigate the flow through two pipes of same diameter fitted at the same height from water level inside of a water tank as shown. It is found the longer pipe line inside the water tank generates a higher speed resulting mo ...more

Do not point this gun to other! Kids SHOULD NOT use the darts in this tutorial as the ammunition, you should only use soft things like the cotton head of the ear-cleaner stick! Step 1: Materials Preparing 1 empty dishwater bottle with the cap like this 1 empty glass cleaner ...more

We see Steampunk props all the time and wonder where the maker found all their pieces. In fact, for some people it's almost like a game to examine each prop and see if they can name all of the original parts. However, for a newcomer (or a novice at prop-making), it may be rea ...more

If you ever find yourself in a car that's submerged under water, your first instinct should be to try and open either the window or the door in the first few seconds of touching water. Unfortunately, if you wait any longer than that, the lopsided ambient water pressure subject ...more

In my last quick clip, I demonstrated how to take a bottle of soda and freeze it on command. I received many requests for a more detailed article on this, so here we go. This "super cool" trick works with cans of soda too, not just bottles! Video: . This project was inspired b ...more

Here's a survival technique for making a fire with the most basic of resources—assuming you can find two sticks to rub together! Video: . With a little creative license, let's imagine you're cast away on a deserted island with little hope of rescue. In a situation like this, b ...more

What's in a sneeze? Quite a lot—dirt, mucus, and infectious germs—it seems. And sneezing the right way can reduce the germs you share with neighbors. It's just a sneeze right? Everybody sneezes. So if you share a few germs when you are sick (or not sick), it's not such a terr ...more

This video gives a step by step tutorial how to service a Porsche 944. The service is demonstrated on an S2, but most steps are very similar for other versions. The video has a German soundtrack but English subtitles are available at YouTube. Working under the car Remove engi ...more

Have a hard-to-open jar? If it's never been opened, the air pressure inside the jar is making it harder to break the seal. If it's been in the fridge, it's possible that the lid shrunk slightly—just enough to be extremely frustrating. Fortunately, you can use a variety of com ...more

Is it possible to cut or chop onions in the kitchen without stinging eyes and looking as if you just watched the saddest movie ever? Before we get to that answer, it's important to know why we tear up when cutting raw onions in the first place. What is this irritant? Are you r ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play with us on our free server. Do you need an extra boost in your game of PVP? Do you feel unapologetic to creepers? If you enjoy feeling like a madman, then this build is for you. After all, the only thi ...more

Take everyday sprinkler parts and form them into a high pressure rocket launcher that will shoot paper rockets nearly 300 feet!!! It's cheap to make and a lot of fun! Video: . A quick trip to nearly any hardware or sprinkler supply store should get you everything you need for ...more

Believe it or not, you can put your money to use very efficiently in a new way: your credit or debit card can serve as a blade in desperate situations. (It might even be handier than dental floss as a brilliant substitution for specialized kitchen tools.) While I wouldn't take ...more

There's no reason to wait for Halloween to play with dry ice. It definitely creates a creepy fog-like effect when you add a little water to it, but there are some other really cool things you can do wit dry ice. Here are just 5 non-Halloween ways to use dry ice for tricks or p ...more

When you're using vacuum power, moving water, or compressing air, it's more than likely being done with some sort of pump. I'll be needing a pump for some of my future projects, so in this tutorial, I'll be showing you how to make your own customizable PVC hand pump that will ...more

In Minecraft, a large aspect of the game is PVP (Player vs. Player Combat). A hardcore Minecraft fan will remember that back in Beta 1.8, combat was switched up, and it really changed the game around. Here are some tips on what a two-year Minecraft player has to say. Step 1: ...more

This video gives a step by step tutorial how to service a Peugeot 206 with the 1.4 liter engine. Please note that the video is not in English, but you can follow along by watching the video and following the written instructions below. Work under the car. Change the oil and r ...more

A common problem on bumper covers is that the tabs that attach the bumper to the car get broken. This is critical, as this is what secures and aligns the bumper cover. Many times, a broken tab is all that is wrong with the bumper cover. With the cost of these plastic parts $20 ...more

Hard-boiled (also known as hard-cooked) eggs are notoriously easy to mess up. We've all ended up with tough, rubbery egg whites and overcooked yolks that have that unappetizing gray-green ring around the edge. An ideal hard-cooked egg has a firm yet tender white, while the yol ...more

Unless you like boxed wine, your wine bottles are going to either be sealed with a cork or a screw cap, the latter of which should not be frowned upon, especially if it's white wine. However, most wineries still prefer corks over screw caps, and that means you'll need a corksc ...more

Common knowledge is a funny thing: it represents a majority's opinion on a particular subject and somehow makes that opinion fact. If that 'fact' goes unopposed and unchallenged, then it is passed on and preserved from one generation to the next—regardless of whether it is tru ...more

Many people deal with motion sickness on a daily basis, and if you're reading this, chances are you're one of them. Kinetosis can make your stomach roll, your entire body sweat, and make you feel fatigued and dizzy at even the slightest movement, whether it's related to carsic ...more

If you're feeling stressed, there are many home remedies you could use for relief. Meditation, yoga, acupressure, an ear massage, more sleep, shower soothers, playing video games… the list is endless. But a lot of these methods require a significant amount of time, so what do ...more

Every home cook has their most-hated kitchen task. For me, peeling hard-boiled eggs and garlic are pretty high up there. Actually, peeling just about anything is, but for every annoying job, there's a shortcut to make it easier. From the folks at Household Hacker, here are 10 ...more

Chances are that you've been using your microwave just to nuke leftovers, but they can do so much more than heat up last night's dinner—microwaves can help you peel garlic more quickly, get more juice out of lemons, disinfect your kitchen, dry out herbs, give beauty products n ...more

This weekend, I was on a trip to Binghamton. In the midst of unpacking my toiletries at the hotel, I found that my brand new razor blade had lost its cap. How did I find that out? Well, when I pulled my hand out of the bag, I found that my right pointer finger was missing a bi ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play with us on our free server. Gathering resources can be an exhausting business. Hours can be spent collecting feathers for arrows or in search of enough Ender pearls to find a stronghold. Luckily with e ...more

Apple's successor to the iPhone X is a beautifully made smartphone with much of the same characteristics, including a 5.8-inch OLED screen, two storage choices, and Face ID. But many features set the iPhone XS apart from its predecessor, as well as the other 2018 lineup of iPh ...more

The hugely successful S10 series of flagships may be a tough act to follow, but Samsung has proven that it's up to the task with the Galaxy Note 10. The latest phablet bearing the Note name is the first of its line to come with an even larger variant, and boasts an eye-pleasin ...more

In the battle for best stock Android flagships, there are really only two choices: Google Pixel phones and OnePlus phones. Although the latter isn't true stock Android, it is impressively close and usually paired with more impressive hardware than the Pixel lineup. The latest ...more

Three new iPhones means you have to make a choice: Do you go with the smaller iPhone XS, the larger iPhone XS Max, or the cheaper iPhone XR? There's lots to like about each model, but if you want to make an informed decision, it's time to learn what each has to offer. Here's w ...more

When a stuffy nose hits, it feels like breathing clearly and easily may never come again. Allergies, colds, and even changes in weather can leave our sinuses blocked, with medicine seeming like the only option. But don't break out the medication just yet — relieving the pressu ...more

The iPhone XR has touched down alongside the XS and XS Max, and it utilizes tried and tested materials found on the iPhone 8, while being molded in the same vein as the iPhone X. The budget-friendlier flagship comes with its own set of design elements to set it apart from its ...more

2017 was a down year for HTC. First, the U11 and U Ultra were widely criticized. Later, Google purchased a large chunk of HTC's manufacturing division, leaving the Taiwanese company running with a skeleton crew after losing 2,000 key employees. But that's not stopping HTC — th ...more

On July 20, 1969, humans set foot on the moon for the first time. But some say our microbes beat us there. With the Space Age came new questions about microscopic invaders from outer space and concern about where we are leaving our microbial footprints. The questions are even ...more

Since the Razer Phone's announcement in 2017, we've seen a new subgroup of phones emerge. Gaming phones are now a thing, leading to companies like ASUS creating phones that are thoroughly optimized for the mobile gaming experience. And with their second iteration, they perfect ...more

Apple's new iOS 16 software update is finally here, and there are over 350 new features and changes for you to enjoy on your iPhone. There are major lock screen and home screen improvements, a pleasant surprise for the Contacts app, and tons of new upgrades to Safari, Mail, Me ...more

The worst can always happen. Even if you think you're absolutely prepared, you can somehow find yourself stranded in the middle of nowhere by yourself.  It can happen.  Without a map, without a compass, without a cell phone... without food and water. There are plenty of dange ...more

This article is a guide for making Chainmail Armor from start (simple wire) to finish (a finished chainmail shirt). We will be using the European 4 in 1 weave, as this is the most common weave. This is the weave that you usually see in movies. There are several sections to thi ...more

Solving a Dilemma This is a simple how-to for a cost effective drip irrigation system for your garden. My motivation to set up my garden for drip irrigation was pretty simple. In the summer, it gets to 90+ degrees outside, and my 50’ garden hose didn’t reach the far extents w ...more

The video gives a step by step tutorial on how to replace the water pump, all belts and the shaft seals on a Porsche 944 S2. The video has a German soundtrack but English subtitles are available at YouTube. The repair is shown for a S2, but most steps are the same for other mo ...more

Papaya trees are very vulnerable to transplantation shock. Seedlings tend to recover slowly and poorly after replanting in a new location under a sunny sky. Many internet articles advise that papaya trees should be transplanted without injury to their root systems. Keeping the ...more