0
Norbert Rillieux
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
Who discovered how to stabilize dynamite for commercial use?
Jackie chan was the first to discover how to stabilize dynamite for comercial use. He is also the worlds best kun fu fighter. also has a variety of other fighting styles and gives great advise. ASK HIM
Who was the first scientist to arrange the chemical elements in order of their atomic weights?
I believe it was Dmitri Mendeleev.
Substance of a penny?
Assuming you're asking what a US cent is made of: Since mid-1982 all US cents have been made of 97.5% zinc with 2.5% copper plating. From mid-1864 to 1942 and from 1944 to mid-1982 they were bronze, 95% copper and 5% tin and/or zinc In 1943 they were made of zinc-plated steel due to wartime copper shortages. From 1857 to mid-1864 they were made of copper alloyed with nickel. Before that they were pure copper.
What kind of metal is a US penny made of?
US cents were made of pure copper until 1857. Cents were then made from copper-nickel until mid-1864. From mid-1864 to 1942 and from 1942 to mid-1982 they were made of bronze (95% copper and 5% tin and/or zinc) 1943 cents were made of zinc-plated steel due to wartime copper shortages From mid 1982 to the present, cents have been made of 97.5% zinc with 2.5% copper plating.
What metal are US pennies made of now?
Since mid 1982 US cents have been made of copper-plated zinc. From 1864 to 1942 and 1944 to mid-1982 they were made of bronze, consisting of 95% copper and 5% tin and/or zinc. 1943 cents were made of zinc-plated steel because copper was needed for ammunition.
When was pasteurisation invented?
1864
What year was the electric elevator invented?
It was invented in 1864
What year was the first sink invented?
it was invented in 1864 by John Roughley.
What year were four wheelers invented?
1864
When was volleyball very first invented?
In 1864 and it became an Olympic Sport in 1964.
When did Henry ford invent the line of free moving vehicles?
he invented it in 1864
What year was freddo frog invented?
it was the first cadbury chocolate ever so 1864
When was the centrifuge invented?
The centrifuge was invented by Antonin Prandtl in 1864. Prandtl designed the device for use on dairy farms to separate the cream from the milk.
When was boolean logic invented?
I believe it was in the 1840's but George Boole the inventor of Boolean Logic lived from1815 - 1864
When the volleyball invented?
IN 1895
Who was the person who invented the system that measures wind speeds?
The person who invented the system that measures wind speeds was Dr. John Thomas Romney Robinson. This was a device that spun around when the wind hit little cups, invented in 1864.
Who is the inventor of the post it?
Christopher Harrison invented the post it in 1864 when he licked a piece of paper and stuck it to the wall. He then added glue. and made millions.
