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What is the difference between perpetual motion machines of first kind and perpetual motion machines of the second kind?
Perpetual motion machines of the first kind are hypothetical machines that violate the first or second law of thermodynamics by producing energy without any external source. Perpetual motion machines of the second kind are also hypothetical, but they generate energy by utilizing an external source and converting some of it into work without depleting the source. Both types of machines are not possible based on our current understanding of physics.
When were laser machines for cutting metal first invented?
The first laser machine for cutting metal was invented in the late 1960s. This technology revolutionized the manufacturing industry by providing a more precise and efficient method for cutting various types of metals.
Who discovered and wherewas the first magnet discovered?
The first magnets were discovered in ancient Greece around 600 BC. The discovery is attributed to a shepherd named Magnes who noticed that the iron nails in his shoes were sticking to a rock called magnetite.
What was the first antiparticle discovered?
The first antiparticle discovered was the positron, which is the antiparticle counterpart to the electron. It was predicted by Paul Dirac in 1928 and confirmed experimentally by Carl Anderson in 1932.
Who discovered laws of the lever and pulley?
The ancient Greek mathematician Archimedes is credited with discovering the principles of the lever and the pulley. His work on these simple machines laid the foundation for the field of mechanics.
Who discovered the fax machines?
i know einstein
What were the first engineering designs?
Probabaly the simple machines. They were some of the first tools discovered because they essentially form the basis for all tools used now.
What did early machines first run on?
What did early machines first run on
What was the first machine that discovered the black hole?
I could argue that it is astronomers, not machines, who make such discoveries, but if I have to nominate a machine for the honor, it would be the Hubble Space Telescope.
Invented the first tools and machines?
The exact inventor of the first tools and machines is unknown as they were developed by early humans for survival. However, evidence suggests that the first tools were created by Homo habilis around 2.6 million years ago, while the first machines emerged during the Industrial Revolution in the 18th and 19th centuries.
When were cars first built by machines?
Machines were used to build even the first automobiles.
When was the lunar rover first discovered?
it was first discovered 1888
Which gas was the first to be discovered?
The first gas to be discovered was hydrogen. It was discovered by chemist Henry Cavendish in 1766.
Which element was discovered first nobelium or niobium?
Niobium was discovered first.
When was Hawaii first discovered as a state?
IT WAS first discovered when Lincoln was born
What was the first continent to be discovered?
The first continent to be discovered is South America, and not Antarctica. Antarctica was the last continent to be discovered.
What simple machine did Archimedes discover?
Archimedes discovered/identified the lever, the pulley, and the screw as simple machines.
