It's a stormy winter night, and you're electricity goes out. You could grab some candles to add a little light to your life, or you could use glow-in-the-dark chemicals for a cool luminescent.
There's a few reasons why you might want to purify chemicals by recrystallization, but the best one could be luminescence glow-in-the-dark dust.
Make a reusable glow stick, glow-in-the-dark-style! Imagine, you'll never have to buy one of those ChemLite's again, because you can reuse this homemade glow stick over and over again. This video tutorial will show you how to make a permanent, reusable glow stick. The materials in this experiment are simple: epoxy resin, straw, and some phosphor powder.
The number one culprit for a slow or clogged up water drain is hair. Check out this video tutorial to learn how to open slow or clogged drains with the Drain Claw. The Drain Claw is amazing at removing hair trapped in shower drains, bathtubs, and bath sinks. You don't need chemicals to get rid of all that hair, you just need the Drain Claw.
Adam's tutorial on an Iron Man Arc Reactor Prop.
Check out this instructional science video that demonstrates how to perform the experiment "Matter of Degree." From the Oregon Museum of Science and Industry's teacher curriculum, "No Hassle Messy Science with a Wow", these are chemical reactions that result in changing temperatures. Follow the step by step instructions to witness a temperature change. The "Matter of Degree" is a great experiment for students to perform.
Check out this instructional science video that demonstrates how to perform the experiment "Of Cabbages and Kings." From the Oregon Museum of Science and Industry's teacher curriculum, "No Hassle Messy Science with a Wow", learn about this chemical reaction featuring cabbage juice. This is a great experiment for your students to perform. Follow the simple instructions outlined in this video and do the "Of Cabbages and Kings" science experiment.
Make a great ball toy from chemicals, that are not hard to get. The result, if you follow along with this how-to video, is a very bouncy ball. You will need, ethanol, water glass, rubber gloves, beakers and a popsicle stick. Watch this video toy tutorial and learn how to make your own super bouncy ball.
Allen shows us how to organically fertilize your vegetable garden. Insect and pest control as well as fertilizer can be used to keep a garden safe for the whole family, as well as pets, as well as producing food free of chemicals. Watch this video gardening tutorial and learn how to organically fertilize a garden.
Forget about those chemical store bought flea repellents. This how to video shows you how to make a safe and simple flea repellant for dogs and cats. All you need is lemon, distilled water, and cotton balls. Keep your house and pets flea free with this natural repellent.
Start a fire using water. It is a pretty cool trick. This guy takes a couple of goofy household chemicals and creates a powder that explodes when water touches it.
Lye can cause chemical burns and the fear of getting burned prevents arts enthusiasts from making homemade soap. Watch this video to learn how to safely make lye solution so you can go ahead and unleash the creative child in you.
This is a chemical demonstration of the excitation of sodium atoms in a dill pickle by connecting it to 120 volts. Watch to learn how to electrify a pickle yourself.
This video walks you through the steps of how to do waterless lithography. Waterless lithography is a lithographic process that does not require heavy or expensive presses or too many toxic chemicals. It is based in the idea that water and silicone don't mix.
This experiment is intended to introduce students to hydrated compounds. These compounds have water molecules coordinated in their chemical structures. Examples CuSO4*5H2O, BaCl2*2H2O, and NaC2H3O2*3H2O.
Once used as solid rocket fuel because the reaction requires no oxygen, sulfur and zinc react vigorously. The reaction with zinc produces flame and a near explosion. Sparks fly and smoke billows in this dramatic chemical demonstration.
This illustrates the reaction had between magnesium and dry ice. It ignites in a chemical reaction between the CO2 & the magnesium.
Indoor gnats, which are also known as fungus gnats, are not only annoying. Their larvae feed on plant stems and roots and can cause considerable damage to seedlings and small plants. Luckily, you can get rid of these obnoxious little pests without using harsh chemicals.
Here is a simple tutorial for creating the ever popular Mentos and Diet Coke chemical reaction. Two techniques for suspending the Mentos prior to release are shown. Use this as inspiration for one of your April Fools Day pranks!
This video explains electricity as the flow of atomic particles called electrons. Animations demonstrate electron flow. Batteries are described as chemical devices designed to create electron flow. Terms covered in video include Volts, current and Amperes
Beating Jaron Namir can be a somewhat difficult if you do not have the right weapons. This guide will help you learn how to defeat the Deus Ex: Human Revolution boss so that you can earn 'The Snake' achievement on the Xbox 360 and trophy on the PS3.
The thunder gun is one of the new deadly weapons in Call of Duty: Black Ops, and this quick little guide from IGN will get you up and gunning. Learn how to use the awesome power of this death stick, to clap some serious hurt down on your enemies.
Assassin's Creed is back and you're going to want to brush up on the new fighting abilities with this little walkthrough. Improve your killing skills with new weapons and actions to make sure you're still king of the heap. Yo!
Originally used by Spanish cowboys for rounding up cattle, the bola is a simple and effective hunting tool. This video shows how to construct and use this weapon so that you can defend yourself, or hunt something, while trying to survive in the wild. You'll need a piece of cord and two equal weights, like some heavy lug nuts.
The super rare weapons in Fallout: New Vegas are devastatingly awesome, and the Oh Baby super sledge is no exception. If you're at at least level 10, preferably level 15, watch this video to learn where and how to find this awesome hammer.
The hidden blade from Assassin' Creed is a super fun weapon to use, and Ezio a very distinctive and cool idea for a Halloween costume. IF you've come to the same conclusions, watch this video to learn how to make a DIY working hidden blade out of Knex that will not get you arrested, hopefully.
This very informative safety video, was intended to teach you the importance of using a forklift correctly when there are others walking. Just like cars, forklifts can be dangerous weapons when someone who is irresponsible or not paying attention is behind the wheel.
Geoff and Jack from Achievement Hunter, show you how to deny a sword lunge with a well-timed melee attack. The tip is to time your block just right because if you get hit with the sword, you're dead, so if you get the timing right it'll still cause you to lose your shield but you could get some shots in between blocking, especially if you're out of other weapons.
In the PC game, Battlefield 2, you're pit against some of the most talented and dedicated gamers in the world. They know every weapon and all the shortcuts to use against you. So, to compete with them you need to know a few things yourself. In this video tutorial find out how to exactly use the anti-tank rockets. Enjoy!
Following a kind of silly little skit, this video will teach you how to make a double-sided, origami version of a shuriken throwing star. Shuriken are the throwing star weapons you've seen ninjas use in the movies. If you've already made the single-sided shuriken, this is a good follow-up project. But while they are made of paper they do still have sharp edges, so be very careful about where you throw them.
Kevin Hicks from the History Squad demonstrates how to use a medieval longbow at an English Heritage event at Bolsover Castle in this archery tutorial video. This weapon was made famous during the 100 Years War in the 14th & 15th century. Follow the simple instructions outlined in this instructional video and learn how to shoot a medieval longbow, old school status.
Krav Maga Worldwide Sherman Oaks Human Weapon Jarret Waldman teaching defense for gun to the head while kneeling executioner style.
In this tutorial you will learn how to spar with a tonfa versus a bo, which, due to its greater length, is considered the "superior" weapon.
In this tutorial you will learn the basic theory of tonfa and how to execute basic techniques. Safety is important so always start by checking your weapons for cracks and splinters.
Plants all around us capture sunlight every day and convert it to energy, making them a model of solar energy production. And while the energy they make may serve the needs of a plant, the process isn't efficient enough to generate power on a larger scale. So, scientists from the University of California found a way to treat bacteria with chemicals that turned them into photosynthesis machines, capable of generating products we can convert into food, fuels, and plastics.
Editor's Note: The claims by Vani Hari which were originally detailed in the article below about azodicarbonamide were unscientific in nature. This article has been updated to reflect that and provide more scientific context on the issue.
To unlock the "Bolt from the Blue" achievement in BioShock: Infinite, you will need to kill 5 enemies with a head shot while riding a Sky-Line. Sky-Lines are riddled throughout the game, so there is no need to go searching for one.
» Homeland Security Report Lists ‘Liberty Lovers’ As Terrorists. A new study funded by the Department of Homeland Security characterizes Americans who are “suspicious of centralized federal authority,” and “reverent of individual liberty” as “extreme right-wing” terrorists. » British police get battlefield weapons.
Learn to make sodium metal with this great video tutorial. Be sure to use latex gloves in the process, as the chemicals can be hazardous. This should not be performed by an inexperienced chemist.
The Asylum Demon boss fight in Dark Souls showcases yet another demon with a giant weapon. You'll need to be able to dodge his jumps and mace attacks if you're planning on defeating him. This video walkthrough will show you how to quickly beat the boss.
