Give the name of the scientist who invented different things
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what r these different things?
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Archimedes
Lived c. 287 BC – c. 212 BC
Archimedes is the best known mathematician and scientist from ancient times. In addition to brilliant discoveries in mathematics and physics, he was also an inventor.
The Archimedes’ Screw
Still in use today, one of Archimedes’ greatest inventions is the Archimedean Screw.
The Archimedes’ Screw
Archimedes probably invented this device when he visited Egypt, where it’s still used for irrigation. The screw is also helpful for lifting finely divided solids such as ash, grain, and sand from a lower level to a higher level.
Robert Hooke
Plant cells, discovered, named and drawn by Robert Hooke. This illustration was first published in Hooke’s book Micrographia, in 1665.
Lived 1635 – 1703
Robert Hooke discovered plant cells and discovered Hooke’s Law – the law of elasticity. He also:
invented the balance spring, vital for accurate timekeeping in pocket watches
invented a machine that cut teeth for cogs used in watches – these cogs were cut in finer detail than any person could have managed, enabling more delicate watch mechanisms to be developed.
Benjamin Franklin
Lived 1706 – 1790
Benjamin Franklin discovered one of the fundamental laws of physics – the Law of Conservation of Electric Charge – and proved that lightning is electricity. He also:
invented bifocal spectacles
invented the Franklin stove
invented the lightning rod
Alessandro Volta
Alessandro Volta was the first person to isolate methane gas. He discovered that methane mixed with air could be exploded using an electric spark: this is the basis of the internal combustion engine. He also found that electric potential in a capacitor is directly proportional to electric charge.
Oh, and he invented the electric battery!
Louis Pasteur
Lived 1822 – 1895
Louis Pasteur discovered that some molecules have mirror images – these can be described as left-handed and right-handed versions of a chemical compound.
He banished forever the concept of spontaneous generation in biology – the idea that bacterial life could just appear from nowhere in fruit or that maggots could appear spontaneously in meat.
Pasteur invented the process of pasteurization and patented it in 1862.
During pasteurization, farm and brewery products such as milk, wine and beer are heated briefly to a temperature between 60 and 100 °C, killing microorganisms that can cause them to go bad.
Lord Kelvin
Lived 1824 – 1907
Lord Kelvin, whose original name was William Thomson, codified the first two laws of thermodynamics and deduced that the absolute zero of temperature is −273.15 °C. He was honored for this with the naming of the Kelvin temperature scale. On the Kelvin scale, absolute zero is found at 0 kelvin.
In addition to his work as a physics professor, he was also an inventor, devising equipment which he patented that allowed transatlantic telegraph signalling to take place via an undersea cable.
William Crookes
Lived 1832 – 1919
William Crookes was a physical chemist who discovered and named the element thallium.
In 1875 he invented the Crookes tube, an evacuated electrical discharge tube, which he used to generate so-called cathode rays. We now know that cathode rays are streams of electrons. Crookes used magnetic fields to prove that cathode rays consisted of negatively charged particles.
Wilhelm Röntgen
Lived 1845 – 1923
Wilhelm Röntgen was a physics professor. He received the very first Nobel Prize in Physics in 1901 for his discovery of X-rays.
Within two weeks of first generating X-rays he had invented X-ray photography. The first ever X-ray photograph was of the bones in his wife’s hand.
When his university, the University of Würzburg, realized how dramatically X-rays would transform the diagnosis of bone injuries and diseases, it awarded Röntgen an honorary degree in medicine.
Santiago Ramón y Cajal
Santiago Ramón y Cajal is the father of neuroscience. He won the Nobel Prize for Physiology/Medicine in 1906 for his neuron doctrine.
In a time
Lived c. 287 BC – c. 212 BC
Archimedes is the best known mathematician and scientist from ancient times. In addition to brilliant discoveries in mathematics and physics, he was also an inventor.
The Archimedes’ Screw
Still in use today, one of Archimedes’ greatest inventions is the Archimedean Screw.
The Archimedes’ Screw
Archimedes probably invented this device when he visited Egypt, where it’s still used for irrigation. The screw is also helpful for lifting finely divided solids such as ash, grain, and sand from a lower level to a higher level.
Robert Hooke
Plant cells, discovered, named and drawn by Robert Hooke. This illustration was first published in Hooke’s book Micrographia, in 1665.
Lived 1635 – 1703
Robert Hooke discovered plant cells and discovered Hooke’s Law – the law of elasticity. He also:
invented the balance spring, vital for accurate timekeeping in pocket watches
invented a machine that cut teeth for cogs used in watches – these cogs were cut in finer detail than any person could have managed, enabling more delicate watch mechanisms to be developed.
Benjamin Franklin
Lived 1706 – 1790
Benjamin Franklin discovered one of the fundamental laws of physics – the Law of Conservation of Electric Charge – and proved that lightning is electricity. He also:
invented bifocal spectacles
invented the Franklin stove
invented the lightning rod
Alessandro Volta
Alessandro Volta was the first person to isolate methane gas. He discovered that methane mixed with air could be exploded using an electric spark: this is the basis of the internal combustion engine. He also found that electric potential in a capacitor is directly proportional to electric charge.
Oh, and he invented the electric battery!
Louis Pasteur
Lived 1822 – 1895
Louis Pasteur discovered that some molecules have mirror images – these can be described as left-handed and right-handed versions of a chemical compound.
He banished forever the concept of spontaneous generation in biology – the idea that bacterial life could just appear from nowhere in fruit or that maggots could appear spontaneously in meat.
Pasteur invented the process of pasteurization and patented it in 1862.
During pasteurization, farm and brewery products such as milk, wine and beer are heated briefly to a temperature between 60 and 100 °C, killing microorganisms that can cause them to go bad.
Lord Kelvin
Lived 1824 – 1907
Lord Kelvin, whose original name was William Thomson, codified the first two laws of thermodynamics and deduced that the absolute zero of temperature is −273.15 °C. He was honored for this with the naming of the Kelvin temperature scale. On the Kelvin scale, absolute zero is found at 0 kelvin.
In addition to his work as a physics professor, he was also an inventor, devising equipment which he patented that allowed transatlantic telegraph signalling to take place via an undersea cable.
William Crookes
Lived 1832 – 1919
William Crookes was a physical chemist who discovered and named the element thallium.
In 1875 he invented the Crookes tube, an evacuated electrical discharge tube, which he used to generate so-called cathode rays. We now know that cathode rays are streams of electrons. Crookes used magnetic fields to prove that cathode rays consisted of negatively charged particles.
Wilhelm Röntgen
Lived 1845 – 1923
Wilhelm Röntgen was a physics professor. He received the very first Nobel Prize in Physics in 1901 for his discovery of X-rays.
Within two weeks of first generating X-rays he had invented X-ray photography. The first ever X-ray photograph was of the bones in his wife’s hand.
When his university, the University of Würzburg, realized how dramatically X-rays would transform the diagnosis of bone injuries and diseases, it awarded Röntgen an honorary degree in medicine.
Santiago Ramón y Cajal
Santiago Ramón y Cajal is the father of neuroscience. He won the Nobel Prize for Physiology/Medicine in 1906 for his neuron doctrine.
In a time
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