Communications satellites are used to send and receive radio signals for television, phone or internet communications. Large concave reflectors called satellite dishes are normally used to...
Resistors control how much electric charge flows through a circuit each second – the size of the current in the circuit. They do this by controlling...
1080, or sodium fluoroacetate, is a poison used to control pest species. It is the salt form of a naturally occurring toxin found in poisonous plants...
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