Adding to what Anand Mehta said, the negation of that statement has two interpretations.
(i) there are zero lines through that point that are parallel to the given line (this is called Elliptic or Reimannian Geometry)
(ii) there is an infinite number of lines that pass through the point and parallel to a given line (this is called Hyperbolic or Lobachevskian Geometry)
I might add that the study of non-Euclidean Geometries are absolutely fascinating.
This was a tin foil phonograph. The phonograph played cylinders and not disks which led to his discovery that he could playback messages via this invention.
His discovery led to this improvement in science. He studied a dead cork [cell] and saw that it had many similar compartments that looked like holding cells, therefore the name Cells came to be. Robert Hooke saw the compartments with a special microscope that he built and invented. This microscope, however, was no where near as strong as the microscopes that we have today in our modern day technological lives.This is pretty much all that I can think of off of the top of my head, so BYE!!!
what clues led tippington to the thief
The discovery of the Great Pyramid of Giza, along with other pyramids, has led to significant insights into ancient Egyptian civilization, including their architectural skills, religious beliefs, and societal organization. Archaeologists and historians have uncovered burial practices, hieroglyphics, and artifacts that reveal the complexities of their culture and the significance of the pyramids as tombs for pharaohs. Additionally, the study of these structures has advanced our understanding of ancient engineering techniques and the labor force that built them. Overall, the pyramids serve as a monumental testament to Egypt’s historical legacy.
There are different types of LED cubes. The Think Geek website has these really cool looking Hypnocube Animated LED cubes. The page for the item shows a Youtube video with the cube in action.
discovery of the atom's structure
The discovery of electrons showed that atoms were not indivisible as Dalton had proposed, but instead contained subatomic particles. This led to a revision of Dalton's postulate that atoms were the smallest, indivisible particles, as it became clear that atoms could be divided into even smaller components such as electrons.
Euclid
true
The discovery of radioactivity
The UV rays were entering the surface of earth. This led to discovery of ozone hole.
Watson and crick and the discovery of the double helix
The discovery of gold.
Discovery of Gold
no
thomas edison.
neutrons A+