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Pneumatic Trough

Although it sounds like some kind of euphemism from Brave New World, a “pneumatic trough” is actually a very handy piece of classic chemistry lab kit. Besides providing a convenient means to collect samples of pure gases for various experiments, a pneumatic trough with a graduated container allows the easy... Read more »

Harvesting Chemicals from a Battery

This tutorial shows how to take apart a spent zinc-carbon dry cell of the common household type. Besides making for an interesting object lesson in electrochemistry, taking apart a spent D-cell, for instance, allows you to salvage many materials which can be of use to amateur chemists–materials which would otherwise... Read more »

Backyard Biodiesel

Biodiesel is vegetable oil (often used) that’s been chemically converted into a fuel thin enough to spray through a diesel fuel-injection system. No special equipment is needed to “cook” a small batch of biodiesel that will work in any diesel engine, from a model airplane to the family car. Read more »

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