R and Q are not used for anything else, really, in terms of units or SI prefixes. [The prefix names themselves are] very, very loosely based on the Greek and Latin names for nine and 10.

Ronna, quetta, ronto and quecto are newest prefixes in the recently expanded metric system, or the International System of Units.

Dr Richard Brown, Head of Metrology at the National Physical Laboratory (NPL), the UK’s national metrology institute, led the proposal recommending the new names – ronna and quetta – as SI prefixes ...

SI prefixes (kilo, mega, giga, etc.) are based on powers of 10, while binary prefixes (kibi, mebi, gibi, etc.) are based on powers of 2. Binary prefixes were introduced to resolve ambiguity in ...

Say hello to the first new SI prefixes since 1991. At the humongous end of the scale, ronna and quecca now denote 10 27 and 10 30, respectively. Apparently, the mass of the Earth is six ronnagrams, or ...

The four new prefixes – ronna, quetta, ronto and quecto – describe very large and very small numbers that until now didn’t have their own names. SUBSCRIBE LOG IN ...

All the hella-haters can spin on it. I want "hella" as an SI-recognized prefix along with "mega" and "kilo." And that's why I'm about to do something I rarely ever do: join a Facebook group. Point ...

Since the SI was established in 1960, scientific need has led to a growing number of prefixes. The last time was in 1991, when chemists wanting to express vast molecular quantities spurred the ...

Since Hz is an SI unit, one uses the SI prefix system where the G stands for giga and is a multiple of 1,000. In other words, the clock speed is 3.5 GHz.

"If everyone sticks to SI prefixes," Brown says, "you don't have to go on Wikipedia to find out how long a light-year is or the power in 1 jansky." (A jansky is a measurement of radiation density ...

Scientists are lobbying for a new word to help them describe numbers larger than 1,000,000,000,000,000,000,000,000,000, amid concerns that the current system of units ...