Niels Bohr

000 tons of TNT (America). Robert J. Oppenheimer, David Bohm, Leo Szilard, Eugene Wigner, Otto Frisch, Rudolf Peierls, Felix Block, Niels Bohr, Eillo Segre, James Franck, Enrico Fermi, Klaus Fuchs, and Edward Teller are all people who worked on the bomb (Atomic Bomb). There was many more people who built the bomb but there was too many to name. In 1950, Niels Bohr pleaded to the U.N. to help create a world free of atomic weapons. He dedicated the rest of his life speaking out against nuclear…

Harold C. Urey was an American Physicist. In 1893 on April 29th Urey was born in Walkerton, Indiana. He was a one of three children. His father Samuel Clayton Urey died when Harold was six. After that his mother remarried and had two more daughters. After high school Urey went and taught at a school in Indiana. Shortly after teaching in Indiana Urey then taught in Montana. During his time in Montana, Urey decided to attend the University of Montana. Urey graduated from the University of…

A percentage of history is evaluated through the use of firsthand accounts and personal bias, even if not on purpose. Both director of The Day After Trinity, Jon H. Else, and Thomas Misa interpreted the events leading up to the atomic bomb differently. In Misa’s chapter seven, Misa, mentioned how the development of the atomic bomb was essentially a national effort with many failures and successes. Misa treats each step in the process as equal, and even goes out of the way to explain utter…

Niels Henrick David Bohr was born in Copenhagen, Denmark on 1885. In 1911 he received his Ph.D. from Copenhagen University. Later on he moved to England to study under J.J. Thomson in Cambridge and under Ernest Rutherford in Manchester. In 1913 he published his model of the atom, which was based on Rutherford’s planetary model. After his publication of his model he received worldwide fame. Unfortunately, Bohr’s model worked only for hydrogen atoms. Which made the final atomic model yet to be…

Albert Einstein said, “No object can travel faster than the speed of light.” However, will the temperature change the brightness of light? The researcher will perform the test three different times. Each test will take one glow stick from the freezer, one from the refrigerator, one in boiling water, and one from the counter and break the glow stick to make it glow. The researcher will then time the length of time it takes for the glow stick to turn off. At the conclusion of the experiment, the…

NOVA’s “the Fabric of the Cosmos: Quantum Leap” with Brian Greene “Quantum Leap” not only explores how much the quantum atom has changed our view of the rules that govern our universe, but also how much is has, or will, benefit society. How did science arrive at the quantum atom, and what benefit did (or will) we gain from each of the developments that led us to the quantum atom? After the analytical evidence was gathered by Sir Joseph John Thomson from the scientists before him to create the…

The decades surrounding the quantum revolution in science have been chronicled countless times. Among the ranks of noted histories, Uncertainty by David Lindley brings a unique perspective of a classic tale. The turbulent period in science marked the evolution from absolute determinism to probabilistic interactions. After this era, entropy did not always increase, only sometimes. By following the introduction of Heisenberg’s famous uncertainty principle, Lindley represents the giants of physics…

– equation (2 gives info on location of electron in terms of probability density - wave functions are called orbitals – [pic], where E is energy, e2 is electric potential, r is orbital radius and h is Planck’s constant 1925 Wolfgang Pauli – each orbital has only 2 electrons is now explained due to direction of spin of electrons. Spinning electrons create magnetic field. Only 2 electrons of opposite spin in an orbital referred to as Pauli exclusion principle Hund’s rule – half fill…

Atoms What is so tiny that you cannot see with the naked eye, but despite their size are extremely important? Atoms are! Atoms are so important. Atoms are the building blocks of the world. They are in everything. Millions of little atoms join together to create the world and everything in it. They can also be used for other purposes not naturally, such as an atomic bomb. Atoms are critical to our survival at a whole. The history of the atom dates back to ancient times. Ancient…

Niels Bohr once said “If fast mechanics hasn't profoundly shocked you, you haven't understood it yet’’. Mechanics is a constant in today’s world. Cars, dirtbikes, and ATVs, ETC have been around for as long as anyone can remember. Choosing to become a mechanic is a personal decision that takes time and consideration. Within the mechanic profession, there are many different places. For my future I'm confident that it's going to be pretty bright, I intend on being a motorcycle mechanic for a…