PLANCK LENGTHS - ATTOSECOND

 

So, planck time is the shortest theoretically measurable time interval, based on the Planck length and the speed of light.

It's the time it takes for light to travel one Planck length in a vacuum. How short is that? Well, it's about 5.39 x 10^-44 seconds.

That's like a trillionth of a trillionth of a trillionth of a trillionth of a second.

Now, what is the attosecond? It's a unit of time equal to 10^-18 seconds. That's one quintillionth of a second.

It's still pretty damn short, but not as short as the Planck time. In fact, it's a lot longer. How much longer? Well, let me break it down for you.

To convert Planck time to attosecond, you just multiply by 5.39 x 10^-26. That's the conversion factor between these two units.

So, one Planck time is equal to 5.39 x 10^-26 attoseconds. That means you need about 1.86 x 10^25 Planck times to make one attosecond. That's like 18 sextillion Planck times.

To put it in perspective, imagine you have an attosecond clock that ticks once every attosecond. Now, imagine you have a Planck time clock that ticks once every Planck time.

How many ticks would the Planck time clock make in one tick of the attosecond clock?

Well, it would make about 18 sextillion ticks.

• That's more than the number of grains of sand on Earth.
• That's more than the number of stars in the observable universe.
• That's more than the number of atoms in your body.