I must tell you that something strange has happened! My bloodlust has gone. P'raps it just friday the 13th, or maybe I'm ill. Instead of using my (t)rusty hacksaw, I picked up a book. And then I started reading it. It contained a section on 'Frontiers of Science', so I thought "Hmmm....Maybe this will me stop my headphones buzzing everytime I get a text..."
It didn't. So I had it executed in a furnace. Which means I'm healed!!! I was so delighted I decided to write a jolly informative blog. (Oh, and also this one)
So enough rambling, lets talk about time.
Ehhhh....How do we measure time? With a clock. Time is generally measured in seconds, minutes, hours, days, weeks, months and years.
How do clocks work? Your clock on the wall uses mechanisms with repeating motions. This won't keep perfect time, usually losing or gaining at least a fraction of a second a day. Other clocks use vibrating atoms, which are much more accurate. Atomic clocks have been used since 1967, and are accurate to 0.001 sec in 1,000 years.
How exactly do atomic clocks work? Atomic clocks are kept accurate by the vibration of certain atoms. These atoms (Caesium and Strontium) vibrate an exact number of time per second. A strontium atomic clock at JILA(A sciency place in Colorado) could run for 200,000,000 years without losing or gaining a second.
I said exactly. Something exact please? Ok. Caesium atoms vibrate exactly 9, 192,631,770 times a second. Strontium is even more accurate, vibrating 429,228,004,229,952 times a second.
Whoa, too exact, be more vague! Fine. Some scientists think time is the fourth dimension. This suggests the theory that time could run in any direction.
Yeah, But thats all a bit sci-fi...More brainyness! Einstein had a brain, right? He says that time is affected by gravity, and runs slower nearer strong gravatational fields such as stars. And I'm outta room, no more questions.