… the entire universe. Everything we see is made up of these 100 atoms in an unlimited number of combinations. They continuously vibrate, move and rotate. Even the atoms that make up the chairs that we sit in are moving around in class. Atoms can be…

… mammals using cells taken from embryos. In July 1996, medical history was made when a sheep named Dolly was cloned. The only thing that set Dolly the sheep apart from the other clones was that she was cloned from an adult sheep cell. Before Dolly…

… Early applications of physics include the invention of the wheel and of primitive weapons. The people who built Stone Henge had knowledge of physical mechanics in order to move the rocks and place them on top of each other. It was not until…

… to explain all of the fundamental forces and their relationships between elementary particles in single framework was accomplished in theory by the g.u.t. by the grand unification theory. In relation to physics these forces can be described as fields…

… force that acts between two positively charged nuclei. For fusion to occur, the two nuclei must approach each other at high speed to overcome the electrical repulsion and attain a sufficiently small separation (less than one-trillionth of a centimeter)…

… clock or the whistle of birds may wake us up in the morning. Through out the day, we hear a variety of sounds; for instance, the banging of pots and pans, the roar of traffic, and the voices of people. When we fall asleep at night, we might listen…

… 1999 Purpose: To show that momentum is conserved in a closed system by illustrating the conservation of momentum in an elastic collision and an inelastic collision. Method: If momentum is conserved in a closed system, the total momentum of the system…

… that the sun releases to the earth actually reaches the ground. About a third is reflected directly back into space by the atmosphere. The time in which solar energy is available, is also the time we least need it least - daytime. Because the sun's energ…

… southwestern desert of the United States that could have significant implications for all mankind. The incident was announced by the U.S. military, and denied by the U.S. military, and has remained covered-up in the government for the past…

… pulley systems and determine their actual and Theoretical Mechanical Advantages and there efficiency. This was accomplished by setting up various pulley arrangements on a stable platform these systems consisted of 3 and 4 pulleys in a block and…