How long is a nanosecond?

How long is a nanosecond?

A nanosecond (ns) is an SI unit of time equal to one billionth of a second (10−9 or 1/1,000,000,000 s). One nanosecond is to one second as one second is to 31.71 years. The word nanosecond is formed by the prefix nano and the unit second. Its symbol is ns.

What is Ro Sham Bo?

Connections to the French surname Rochambeau are a folk etymology. (as three words, ro sham bo) the syllables called out by players of Rock Paper Scissors to synchronize their timing. To play a game of roshambo in order to decide a point of contention.

What year is the play Romeo and Juliet set?

Well, we don’t really know for certain when “Romeo and Juliet” is set, or when it was written either. Scholars currently think that the play might plausibly be dated to 1595. We know too that it can’t be any later than 1596, or any earlier than 1591.

Is a volcano a type of mountain?

A volcano is a landform (usually a mountain) where molten rock erupts through the surface of the planet. In simple terms a volcano is a mountain that opens downward to a pool of molten rock (magma) below the surface of the earth. It is a hole in the Earth from which molten rock and gas erupt.

Why did they put lead in gasoline?

Leaded petrol contained a substance known as tetraethyl lead or TEL, a compound of lead in liquid form originally added to petrol to increase its octane rating. A side effect of adding TEL is that a layer of lead compounds forms on the valve faces of the engine, retarding wear.

What organ produces adrenaline?

Epinephrine and norepinephrine are two separate but related hormones secreted by the medulla of the adrenal glands. They are also produced at the ends of sympathetic nerve fibres, where they serve as chemical mediators for conveying the nerve impulses to effector organs.

When did Qatar become an independent state?

On 3 September 1971, Qatar officially gained its independence from the United Kingdom and became an independent sovereign state. In 1972, Khalifa bin Hamad Al Thani seized power in a palace coup after infighting in the ruling family.

Who discovered plasma in blood?

He discovered that the plasma could be dried and then reconstituted when needed. His research served as the basis of his doctorate thesis, “Banked Blood,” and he received his doctorate degree in 1940. Drew became the first African-American to earn this degree from Columbia.