Modern Uses
Dynamos still have some uses in low power applications, particularly where low voltage DC is required, since an alternator with a semiconductor rectifier can be inefficient in these applications. Hand cranked dynamos are used in clockwork radios, hand powered flashlights, mobile phone rechargers, and other human powered equipment to recharge batteries.
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“It is obvious that all sense has gone out of modern marriage: which is, however, no objection to marriage but to modernity.”
—Friedrich Nietzsche (1844–1900)
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—Friedrich Engels (1820–1895)