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Hydrogen is powered through fuel cells. The hydrogen is stimulated by the electrode anode and transforms into ions. The hydrogen ions pass through electrolyte membranes, where they are combined with electrons and oxygen ... More »

Hydrogen fuel cell kits are devices that generate electricity by splitting hydrogen into positively and negatively charged particles to power a circuit. This process creates by-products of water and heat, making it envir... More »

www.reference.com Vehicles Car Parts & Maintenance

The disadvantages of using hydrogen as a fuel are that some of its production relies on non-renewable resources, and it is highly flammable. There also needs to be a larger quantity of hydrogen used to fuel a vehicle whe... More »

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A candle consists of a fuel source, typically some sort of wax, and an absorbent twine that serves as a wick. Once the wick is lit using a heat source, the wax vaporizes and mixes with oxygen to form a constant flame tha... More »

A cigarette lighter consists of a reservoir for fuel, an ignition source and a method of dispensing the fuel to the source. In a disposable lighter, the fuel reservoir is slightly pressurized, causing the fuel to vaporiz... More »

www.reference.com Science Chemistry

Light works when photons, which are small packets of energy or units of electromagnetic radiation, travel in electromagnetic waves throughout space. Light makes things visible, enabling organisms to see. More »

Iodine reacts with the starch present in onion cells, producing a coloration that makes the cells easily visible under a microscope. Onion cells are naturally transparent, so it is difficult to properly visualize them wi... More »