In the Age of Exploration, it was proven that the Earth is round and hence circumnavigable.

The first [phase] calls for leaders impatient with the past, and temperamentally disposed to an irreverent break with tradition. They must be agitators who can fan the flames of discontent and gather forces with the strength to tear down the old.

Hari Singh laughed schoolboyishly through the nest of beard.

The light-emitting capacity of an LED is measured in megacandela or mcd. Small commercial LEDs range from 10 to about 5000 mcd.