emit alpha radiation, a highly hazardous type which is also emitted by Uranium. It has been concluded that plutonium has a higher radioactivity, hence a faster half-life. What is Radiation? Radiation is excess energy, which travels through space in the form of heat, light, sound, microwaves, radio waves and x-rays. Low radioactive substances can be found everywhere. When much more sophisticated elements are subject to decay, they release many types of radiation; the most common are alpha particles
Nuclear energy has, for some time, been a controversial issue. With incidents like that of Chernobyl, Three Mile Island, and the more recent complications caused by the earthquake and tsunami Fukushima reactors in Japan, concern about the safety of nuclear energy has become a major issue. A lot of this concern probably exists because of a lack of information and education about both radiation and its effects. It is my belief that nuclear power is no less safe than any other form of energy generation
Radioactivity is the energy or particles that are released from the nucleus of an atom due to spontaneous changes. Some atoms are unstable, and emitting radiation will achieve a stable state. The main forms of radiation emissions from a decaying and unstable nucleus can be in the form of alpha, beta or gamma radiation. When a positively-charged particle is emitted from the nucleus of an atom, this is called alpha decay. This alpha particle would consist of two protons and two neutrons, similar to
at McGill university, Rutherford was rewarded the nobel prize for chemistry. In 1907 he succeded Arthur Schuster at the University of Manchester. He began persuing alpha particles in 1908. With the help of Geiger he found the number of alpha particles emitted per second by a gram of radium. He was also able to confirm that alpha particles cause a faint but discrete flash when striking luminescent zinc sulfide screen. These great accomplishments are all overshadowed by Rutherford's famous Gold Foil
nucleus splits into two smaller nuclei. 3. Alpha, Beta, and Gamma radiation is produced when an unstable nucleus decays. Alpha particles are made of 2 protons and 2 neutrons. This means that they have a charge of +2, and a mass of 4 Alpha particles are relatively slow and heavy. They have a low penetrating power - you can stop them with just a sheet of paper. Because they have a large charge, alpha particles ionise other atoms strongly. Beta particles have a charge of minus 1, and a mass of
Radioactivity Experiments Aim: To determine the penetrating power and the range in air of the three radioactive emissions alpha, beta and gamma. Apparatus: * gm tube, * clamp stand, * the counter thing, * ruler, * set-square Method of penetrating power of Alpha particles, Beta particles & Gamma Rays: The equipment was set up as shown below to measure the penetrating power of each radioactive source. Geiger-Muller Tube Again the measurements were taken without
isolate plutonium 239, an isotope used in atomic bombs. Plutonium is a highly dangerous and poisonous element because it rapidly gives off radiation in the form of alpha particles. Alpha particles, which are identical to the nucleus of a helium atom, consist of two protons and two neutrons tightly bound together. Although the particles can only travel about five centimeters in the air, they can cause great damage when the enter the body, causing cancer and other serious health problems. Beyond the
000,000° C; 27,000,000° F) and pressure (340 billion times Earth's air pressure at sea level) is so intense that nuclear reactions take place. This reaction causes four protons or hydrogen nuclei to fuse together to form one alpha particle or helium nucleus. The alpha particle is about .7 percent less massive than the four protons. The difference in mass is expelled as energy and is carried to the surface of the Sun, through a process known as convection, where it is released as light and heat. Energy
Carl Anderson, was examining tracks produced by cosmic rays in a cloud chamber. One particle made a track like an electron, but carvature of its path in the magnetic field was one consistent with a possitive charged particle. He named this new particle a positron. Later, in the 1950’s, physicists at the Lawrence Radiation Lab used the Beratron accelerator to produce the anti-proton. Upon examination of this particle they found that it had the same mass and spin as a proton, but with negative charge
profitable stocks amongst a myriad of potential alternatives is a daunting task to say the least. In order to narrow my choices from thousands to two, I examined several aspects of companies I was interested in. Among these were, company overview, alpha and beta ratings, price ratios, price charts, and company headlines. After evaluating this information, I chose Intuit INC (INTU) listed on the NASDAQ and Johnson and Johnson (JNJ) listed on the NYSE. Intuit, Inc. Intuit, Inc. is a provider of small
For my final MIRR, I decided to do the book Half Brother, by Kenneth Oppel. This book is from the perspective of a boy named Ben Tomlin. He’s just been dragged along to live in British Columbia because of some experiment his dad is taking place in, about teaching chimpanzees sign language. His family receives a new chimp named Zan to use for “Project Zan”, where they are to teach it sign language to see whether or not chimps can learn ASL (American sign language), as well as raising him as they would
Eugene August wrote how ‘Death of a Salesman’ is a profoundly male tragedy, one in which its protagonist is destroyed by a debilitating concept of masculinity . Willy Loman embodies deluded values, hopes and aspirations that originate from the American dream and infiltrates them into every aspect of his life. His highly inflated dreams of success and prosperity contrast with his emotional instability, which tragically lead to mortality and mutability. ‘A Streetcar Named Desire’ on the other hand
structure often contains long stretched out chains of amino acids called strands that line up together to make sheets. These are called beta strands and the sheets are called beta-pleated sheets. A protein may contain either or both alpha helices and beta pleated sheets. Alpha helices and beta pleated sheets are joined by less clear structures often grouped together under the name of coil. Some small proteins may be made of coil. Shape is also important. Proteins are coiled and twisted, giving it a
specially designed bottles. The Hatchery destines each fetus for a particular caste in the World State. The five castes are Alpha, Beta, Gamma, Delta, and Epsilon. Gamma, Delta, and Epsilon undergo the Bokanovsky Process which involves shocking an egg so that it divides to form up to ninety-six identical embryos, which then develop into ninety-six identical human beings. The Alpha and Beta embryos never undergo this dividing process, which can weaken the embryos. The Director explains that the Bokanovsky
assessment. In developing the mental tests, the psychologists subscribed to the position that one could be quite intelligent, but illiterate or not proficient in the English language. Based on this reasoning, two major tests were developed, the Army Alpha for literate groups, and the Army Beta for illiterates, low literates or non-English speaking (Yerkes, 1921). Both tests were based on the theoretical position that intelligence was an inherited trait, and the assumption was made that native intelligence
Protein Synthesis Protein synthesis is one of the most fundamental biological processes. To start off, a protein is made in a ribosome. There are many cellular mechanisms involved with protein synthesis. Before the process of protein synthesis can be described, a person must know what proteins are made out of. There are four basic levels of protein organization. The first is primary structure, followed by secondary structure, then tertiary structure, and the last level is quaternary structure
Bernard Marx, being a male Alpha, is the type of person who just doesn’t really fit in. While just about all people are very open about their thoughts and personal feelings, Bernard is very secretive about many of his thoughts and actions. For instance, when Lenina tries to talk to him about “having her,” his face goes pale and he insists that they discuss it in private (pg 58). He seems to be very concerned about what people would think if he started talking about that kind of stuff in front of
200uV) Deep sleep Theta 4Hz - 8Hz low (5uV - 20uV) Drowsiness (also first stage of sleep) Alpha 8Hz - 14Hz high (up to 200uV) Relaxed but alert Beta 14Hz - 30Hz low (less than 10uV) Highly alert and focused The dominant frequency in the EEG pattern determines what shall be called the current state of the brain. If the amplitude of the alpha range frequencies is highest, then the brain is said to be in the alpha stage. Note, that other frequencies still exist and it is impossible to give any "exact
carefully guarded aspect of society. Even before one is "decanted" they are conditioned to fill a specific roll and to act a certain way. Everyone, while still in their jar, is conditioned to fit into a specific caste. The castes range from Alpha Double Plus down to Epsilon Semi-Moron. Once one is "decanted" they are put through various types of conditioning, depending on caste, and are raised solely by World State officials. There is no such thing as a family anymore, that would only interfere
Exemplary Essay - The Tragedy of Date Rape In the fall of 1995, Kristin Cooper was a sophomore at Baker University in Kansas. She was a member of Alpha Chi Omega, an expert skier from the mountains of Colorado, a swimmer, and was active in band, choir and drama. On the night of New Year's Eve of that same year, her mother Andrea Cooper came home to find Kristina dead of a self-inflicted gunshot wound to the head on the family room floor. Cooper shared the story of her daughter's last months