Test a Tube

How To : Make thunder in a test tube with ethanol & acetone

C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties. This video tutorial wi ...more

How To : Make a test tube thunderstorm

Watch this science video tutorial from Nurd Rage on how to make a test tube thunderstorm. They show you how to make the thunderstorm in a test tube using alcohol, sulfuric acid and potassium permanganate. WARNING: This experiment is extremely dangerous as it involves corrosiv ...more

How To : Make a storm inside a test tube

This science experiment will show you how to make a storm inside a test tube. This video tutorial will demonstrate the process of making the miniature thunderstorm inside a test tube with just a few common chemicals. All you need for your very own thunder storm is a glass test ...more

How To : Make Chain Mail Armor from Start to Finish

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

How To : Make a candle wax explosion

In this video, you'll see how and why wax can be a deadly. This is how it works,When the test tube is submerged in cold water, the glass forms tiny cracks. The Water enters gets into the tube and vaporizes causing a micro explosion. The hot wax is then ejected from the tube qu ...more

How To : Make a survival cache for outdoor adventures

This survival cache is made for adventurers who, if lost, may stumble upon this handy little tube and immediately get some food and knowledge of their geographic location. Filled with Nutrigrain bars, Cocoa mix, a BB gun with pellets, and other fun little essentials, this sur ...more

How To : Tie the nail knot for fishing

Learn how to tie the nail fishing knot with this knot tying instructional video. The nail knot is a popular and time tested fishing knot to join fly line to leader. Use of a hollow tube instead of a nail makes for easier tying. 1. Lay a nail or hollow tube against the end of a ...more

How To : Make your own DIY electroscope

Make a cheap DIY electroscope, an instrument used for static electricty experiments, with items you would find around your home: A glass jar, two little pieces of aluminum foil, 14 gage copper wire, black electrical tape, a plastic lid to a container, a small plastic tube (or ...more

How To : Clean an SKS Rifle

So you went out and bought an SKS rifle...good for you. In my opinion, there are few rifles that can match the SKS as a personal weapon, whether used for hunting, recreation, or defense. Yes, some people will tell you that your SKS is a piece of outdated junk, and that their $ ...more

How To : Make a wax and Coke explosion

Watch what happens when Coke is mixed with wax. Learn how to do this cool science experiment yourself. Can anyone explain the science behind this??? You will need Coke (diet or regular), a glass test tube, and a candle. Break off a chunk of wax from the candle, put it in the t ...more

How To : Cheat on a test & not get caught

Learn how to cheat on a test and never get caught again! 1. Gather the required materials: pen, tape, and a scissors. The pen required is a special kind of pen found at any local store. The tube of this pen rotates inside the click at the top. 2. Type up what you'll need for t ...more

How To : Check your own DNA

A science experiment you can do at home to gather a visible cluster of your own DNA. You need salt, dishwashing liquid, denatured alcohol, measuring tool, spoon, small glass/test tube/vodka glass, magnifying glass. Check your own DNA. Click through to watch this video on trick ...more

How To : Making silane from sodium silicate

This video tutorial is in the Education category which will show you how to make saline from sodium silicate. For this you will need hydrochloric acid, magnesium powder and sodium silicate. Dissolve 7 gm of sodium silicate in 20 ml of water. Next add hydrochloric acid until yo ...more

How To : Say the names of school things in French

Watch to learn how to say the names of things that have to do with school, like books, paper airplanes, and soccer balls, in French. un abecedaire - alphabet book un avion en papier - paper airplane un ballon de foot - soccer ball une boite a compare - pencil box un cahier - w ...more

How To : Mix gradients with a gradient mixer in the lab

The Department of Biological Sciences at the University of Alberta brings you this video tutorial specifically relevant to your student laboratory courses, specifically microbiology. If you're a student at any school of biology, this information will be helpful for learning ho ...more

How To : Make potassium trichromate

In this how-to video, you will learn how to make potassium trichromate. You will need potassium chromate and dichromate. It is easy to go between the two. You can add a base to the dichromate to make the chromate. It will go from orange to yellow. The trichromate can be produc ...more

How To : Use pipetting techniques in the lab

The Department of Biological Sciences at the University of Alberta brings you this video tutorial specifically relevant to your student laboratory courses, specifically microbiology. If you're a student at any school of biology, this information will be helpful for learning ho ...more

News : This Is Your Brain On Video Games

Ever wonder what your brain looks like on video games? Below, Matt Richtel of the New York Times lies in a $3 million M.R.I. scanning tube while playing a simple driving game, as researchers sit by and observe the real-time images inside Richtel's brain. Why? To measure and m ...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 : Powerbleed your brakes

In this tutorial, we learn how to powerbleed your brakes. First, test for any leaks and then release the pressure so you can fill the bleeder tank with fluid. After this, you will screw the pump on and then start to pump pressure to approximately 15 psi or check your service m ...more

How To : Make your own glow-in-the-dark wall art

Take a break from watching your lava lamp, and have some freaky fun with phosphorescence. Inspired by the Instructables project: http://www.instructables.com/id/UV-Fun/ You will need: -a pencil -laundry detergent with whitener/brightener -a bucket, paintbrush, and water -a da ...more

How To : Make a Simple Didgeridoo from PVC

Traditional Aboriginal didgeridoos are made from trees that have been hollowed out by termites. Finishing work to smooth out surfaces and decorate the didgeridoo would soon follow. Lucky for you, you don't have to spend lots of money or find a hollowed out tree to create a did ...more

How To : Build a Laser Trip Wire Alarm System

Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The trig ...more

How To : Modify Your Guitar Pedals

Guitar pedals add character to your playing. However, musicians still say that certain pedals by themselves don’t live up to its promise of a perfect sound. Therefore, instead of replacing your guitar pedals with new and expensive ones, you can modify your pedals using differe ...more

How To : Clean an AK-47

Hello again, faithful audience. In this article I will be showing you how to take care of an AK-47 rifle. These are, in my opinion, the finest rifles ever made, mostly because of their extremely high reliability factor. Even people who have never touched an AK are aware of its ...more

News : Finally, a New Drug Against 'Untreatable' Gonorrhea

Gonorrhea infections reached a peak in 1975, then decreased until 2009, when infection rate started rising and has increased each year since. With the rise of antibiotic resistance, those numbers are only going to get worse — unless we find new treatments against the bacteria. ...more

How To : Make a Super Cheap One-Way Check Valve

If you're going to build yourself a water gun to cool down this summer, or maybe just a useful water pump, you'll need some check valves. However, the most expensive parts of a water pump or DIY super soaker are usually the check valves. So, let's make some from scratch for as ...more

Security Tube : Useful Video Tutorials for IT Security.

Hi everyone. I'm relatively new here and I have learned a great deal from many of you already and would like to try and give a little something in return. I haven't seen this site mentioned before and I think it could be of some use. Security Tube is a website that hosts a la ...more

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