An attosecond is an SI unit of time equal to 10−18 of a second. (one quintillionth of a second). For context, an attosecond is to a second what a second is to about 31.71 billion years, or twice the age of the universe.
The word "attosecond" is formed by the prefix atto and the unit second. Atto- was made from the Danish word for eighteen (atten). Its symbol is as.
An attosecond is equal to 1000 zeptoseconds, or 1/1000 of a femtosecond. Because the next higher SI unit for time is the femtosecond (10−15 seconds), durations of 10−17 s and 10−16 s will typically be expressed as tens or hundreds of attoseconds:
This text uses material from Wikipedia, licensed under CC BY-SA
Sorry, no news articles match your request
About
Phys.org™ is a leading web-based science, research and technology news service which covers a full range of topics.
Phys.org is a part of Science X network. With a global reach of over 10 million monthly readers and featuring dedicated websites for science (Phys.org), technology (Tech Xplore) and medical research (Medical Xpress), the Science X network is one of the largest online communities for science-minded people.
Read moreIdentify the news topics you want to see and prioritize an order.
Science never stops. Get notified about trending stories.