... be moving only though time. If they moved a little bit, they would be moving though space a little bit, but still mostly though time. If one were to travel at the speed of light, what changes would they experience in time? The answer is simple; they would be traveling through space, with no travel though time (Hewitt 214). They would be as ageless as ... slightly for everyday speeds, but significantly for speeds approaching the speed of light. If we were to attempt to travel to the nearest star, Alpha Centauri, which is 4 light years away, even traveling at the speed of light would take...

• Word Count: 2726
• Approx Pages: 11
• Grade Level: High School

... tried to doubt them, until two American scientists, Micheleson and Moorly performed an experiment in which they discovered that the speed of light is the same to any moving object traveling at any speed in any direction. This means that if someone measures the speed of light from the sun when traveling away from the sun at one mile per hour, or traveling at 500000 kilometers per ... second, the two measurements would be the same. This has a very unusual consequence. Consider this experiment. A person A is observing a train traveling close to the speed of light. Person B is traveling in ...

• Word Count: 3720
• Approx Pages: 15
• Grade Level: High School

... more energy in their direction of motion, than are the particles coming from the low-pressure side. This produces the net force called the ``pressure force''. If that is all there is, a fluid element which is at higher pressure than its surroundings will expand until the pressures are equalized, and the speed at which this occurs is the speed at which sound waves ... travel from one side to the other. For the Sun this is about five minutes. Acting against the pressure forces is gravity. Each piece of fluid exerts gravity towards itself according to its mass, which is just its ... trans...

• Word Count: 2570
• Approx Pages: 10
• Has Bibliography
• Grade Level: High School