tell me some different ways to power a clock?

Answer 1

electricity, batteries etc.
Mechanical clocks use a pendulum as their oscillator, which controls the rotation of a system of gears that drive the clock display.
Electrical clocks use electrical current to run, rather than requiring manual winding and weights.
Crystal clocks use an electronic quartz crystal oscillator and a frequency divider or counter. Most battery-powered crystal clocks use a 215 Hz = 32.768 kHz oscillator.
Atomic clocks use a microwave oscillator (maser) tuned by the energy transitions of elements such as caesium, rubidium or hydrogen. These are the most precise clocks available. Atomic clocks based on caesium are used as the official definition of time today.
Mains power clocks count the 50 or 60 hertz periods of their AC power.
Radio clocks receive time signal broadcasts from a radio transmitter (which may be hundreds of kilometres away). The clock can decode the transmission and adjust its hands or display for perfect accuracy. The broadcast radio signals received are generated by an atomic clock. These clocks are used extensively by mariners, especially short-wave radio clocks which use simultaneous bursts of time-signals, often encoded or encrypted – not to be confused with number stations.
Sundials observe the apparent rotation of the Sun around the Earth as their reference oscillation. They are observed with a solar tempometer.

Answer 2

i saw a kit on mythbusters that powered a radio alarm clock using radio waves

Answer 3

Sundial was the first clock.

Answer 4

electricaly or mechanically.
Have you ever seen one of those potatoe powered clocks?
Well that's just electric........ hope this helps.

Answer 5

Here's a few to get you started:

electricity
clockwork
water
gravity

Answer 6

winding, batteries, magnetic

Answer 7

electricity
gravity
kinetics
water flow

Answer 8

lemons and potatoes

Answer 9

potatoe


not kidding :-p

Answer 10

Earth, wind, & fire, baby...