An attosecond is an SI unit of time equal to 10 ^ -18 seconds.
A nanosecond comes before an attosecond and before a nano second is a millisecond and before that is a second
Attosecond
a zeptosecond
An attosecond is 1x10-18 seconds
Examples: -- picosecond -- femtosecond -- yoctosecond -- attosecond
Split second, milli, micro, nano, pico, femto, attosecond etc.
The list of weapons that start with laser are: Laser axe Laser bow Laser chaingun Laser chainsaw Laser cannon Laser crossbow Laser daggers Laser gatling gun Laser knife Laser machete Laser machine gun Laser rapier Laser rocket launcher Laser scythe Laser shotgun Laser slingshot Laser sword Laser tommy gun Laser whip and countless others
laser
The old laser printers used He-Ne laser , and the modern laser printers use infrared laser .
An attosecond is an extremely fast unit of time, equal to one quintillionth of a second. It is used to measure processes on the timescale of atomic and subatomic interactions.
Laser pointers and laser pens are basically the same thing. A laser pen is a laser pointer with a pen attached.