Physics

Physics

The branch of science concerned with the properties of matter and energy and the relationships between them.

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bottom bracket

Sports;

the part of the frame where the crankset installed. Also, the axle, cups and bearings of a traditional crankset, or the axle, retainer rings and bearing cartridges of a sealed ...

sprocket

Sports; Bicycle & electric bicycle

general term for a cog or chainring.

angle of repose

Energy; Coal

The angle, measured to the horizon, after which sediments or material will slide or fall.

tax-timing option

Financial services; General Finance

The option to sell an asset and claim a loss for tax purposes or not sell the asset and defer the capital gains tax.

Antares

Astronomy; General astronomy

(alpha Sco, HR 6134) A red M1 Ib supergiant. It has a B3 V companion, which is a radio source.

lysosome

Biology; Genetics

Eukaryotic organelle which carries digestive enzymes. The lyzosome fuses with a vacuolar membrane containing ingested particles, which are then acted upon by the enzymes.