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When was the dragon bone pump invented?
It was invented during the Song Dynasty, but the actual year it was invented is unknown.
When was the artificial leg invented?
the artificial leg was invented in 1909 a whale bone
Did the vikings invent hockey?
Apparently, the Vikings invented ice skating, using pieces of bone as runners.
How do you find which way is north with a magnet?
To find north you will need the magnet, a needle, a piece of very thin paper & a bucket of water. First you need to take the positive side of the magnet and slide it across the first half of the needle, as if you were striking a match, fifty times. Then do the same with the negative side of the magnet and the other side of the needle. Afterwards, put the needle in the paper so that there are 2 holes and the needle lies horizontally, then place in the water. The positive side of the needle will point North.
What is the origin of finding a needle in haystack?
The idiom, finding a needle in a haystack, was first recorded in the works of Saint Thomas More in 1532. It read, to seek out one line in his books, would be to go look for a needle in a meadow.
When was the bone needle invented?
1456
What did people pierce with before the needle?
Sharpened bone
When and who invented the the computer napier's bone?
John Napier invented the Napier's Bone
The needle like threads of spongy bone?
The needle-like threads of spongy bone are called trabeculae. These structures help provide support and strength to the bone while also allowing for the passage of blood vessels and bone marrow. Trabeculae help distribute forces and maintain the structural integrity of the bone.
Who invented the vaccination needle?
Benjamin rubin
Who invented he knitting needle?
bob wormanhiemer
Who invented the needle threader?
Marlene Miller
When were the needle and thread invented?
900,000 b.C
When was the astatic needle invented?
The astatic needle was invented by John Leslie in 1804. It improved the accuracy and sensitivity of early galvanometers used in scientific experiments.
Why did Paleolithic people need bone needle?
They were used for weaving and sewing.
What is the CPT Code for Bone marrow biopsy by needle aspiration?
38221
Where was the syringe needle invented?
The syringe needle was invented in the United States by Charles Pravaz and Alexander Wood in the mid-19th century. They developed the concept of a hollow needle attached to a syringe for medical injections.
