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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Famous quotes containing the word modern:
“Men must speak English who can write Sanskrit; they must speak a modern language who write, perchance, an ancient and universal one.”
—Henry David Thoreau (1817–1862)
“How little do the most wonderful inventions of modern times detain us. They insult nature. Every machine, or particular application, seems a slight outrage against universal laws.”
—Henry David Thoreau (1817–1862)