Graphite

Graphite is a crystalline form of carbon and is useful as a writing and drawing tool, as only the slightest pressure is needed to leave a mark. However, as graphite is soft and ...

graphite

Chemistry; Analytical chemistry

A dark or black form of carbon in which the carbon atoms are joined together in sheets.

graphite

Automotive; Automobile

A form of carbon used in making brushes for motors and generators and as a lubricant.

graphite

Engineering; Electronic engineering

A soft form of carbon used in resistors, attenuators, contacts, brushes, vacuum-tube plates, cathode-ray tube coatings, etc.

centrifuge

Chemistry; General chemistry

Equipment used to separate substances based on density by rotating the tubes around a centred axis.

cell potential

Chemistry; General chemistry

The force in a galvanic cell that pulls electron through reducing agent to oxidizing agent.

conductor

Chemistry; General chemistry

Material that allows electric flow more freely.

cuvette

Chemistry; General chemistry

Glassware used in spectroscopic experiments. It is usually made of plastic, glass or quartz and should be as clean and clear as possible.

deionization

Chemistry; General chemistry

The removal of ions, and in water's case mineral ions such as sodium, iron and calcium.

deliquescence

Chemistry; General chemistry

Substances that absorb water from the atmosphere to form liquid solutions.

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Industry/Domain: Natural environment Category: Earthquake

2012 Indian Ocean earthquake

On 11 April 2012 an undersea earthquake struck near the Indonesian province of Aceh measuring at a magnitude of 8.6. There were initial fears that it ...