This free video science lesson from the Home Scientist demonstrates a simple technique for creating a color-changing solution with sodium permanganate, sodium hydroxide and sugar. For all of the relevant details and detailed, step-by-step instructions, as well as to get starte ...more
Watch this science video tutorial from Nurd Rage on how to make a desiccator bag for drying chemicals with Dr. Lithium. The complete guide to making a desiccator bag for thoroughly drying hygroscopic chemicals. Some chemicals are hygroscopic, meaning they absorb water from th ...more
In this video, Tom Carpenter explains how to filter vegetable oil into bio-diesel at home. After collecting a large amount of waste vegetable oil, place 30 gallons of it into a modified (by removing the top heating element) water heater. Use a pump and hose to circulate the li ...more
Watch this science video tutorial from Nurd Rage on how to make potassium permanganate with Dr. Lithium with potassium nitrate and manganese dioxide. WARNING: This experiment deals with very high temperatures in glass equipment. Face shields and protection against shattering ...more
Here's how to build a sexy looking water-fuel generator that will convert your tap water into an extremely powerful, clean burning gas! Video: . An oxyhydrogen generator, like this one, uses electricity from your car battery to split water into hydrogen and oxygen gasses. Toge ...more
In the perpetual search for a renewable and convenient energy source, our bacterial friends have once again stolen the limelight. Since bacteria multiply so fast, they are the ultimate renewable resource. And since they are living organisms, their metabolism produces by-produ ...more
Watch this science video tutorial from Nurd Rage on how to make iodine from an alkali metal iodide, hydrochloric acid (HCI), and hydroxide peroxide (H2O2). Warning: This reaction makes small amounts of chlorine gas and should be performed outside or in a fumehood. This metho ...more
Sodium (chemical symbol Na) is an interesting element. It reacts in contact with both oxygen and water, and several sodium salts are used to produce a yellow color in fireworks. The metallic form has limited uses in chemistry, and is too soft and reactive to be used as a buil ...more
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