It was about astronomy, but maintained geocentrism (Machamer 35). ... Mazzoni made some illogical assumptions about how visible the heavens would be if the Earth truly moved. ... This suggested to him that there must be something fatally incorrect about the Aristotelian/Ptolemaic universal theory. ...
par Now that you have a basic comprehension of how the human ear functions and the definition of sound, it is time for the real thing; the physics of sound. ... All sound waves have three main physical characteristics; frequency, amplitude, and wavelength ( ldblquote Notes on: The Physics of Sound dblquote par 3). ... It is the determining factor of how far the sound actually travels (ldblquote Notes on: The Physics of Sound dblquote par 3). ... The velocity of a sound wave can be determined as follows; the speed of sound is equal to the wavelength times the frequency of...
Perhaps the two most sought after concepts in the history of the subject were the integral and the derivative, as they were a necessity in finding out information needed about the physical world. For example, computation of the derivative could provide the instantaneous velocity of a moving particle; integration was useful in finding the area of curved regions. ... Calculus provided a new opportunity in mathematical physics to solve long-standing problems. ... Newton was the first to apply calculus to general physics and Leibniz developed much of the notation used in calculus today; h...
3 Conductive polymers - the story 4 Applications of conductive polymers 5 Synthesis and processing 6 Mechanism of polymer conductivity - role of doping 6 Molecular electron-transfer theory 11 Electroluminescent polymers - second-generation conductive polymers 13 From silicon physics to molecular electronics 14 References and further reading 15 Prize motivation The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Chemistry for 2000 to three scientists who have revolutionised the development of electrically conductive polymers. ... The choice is motivated by ...
Scientists now believe that the current laws of physics allow us to travel though time. ... Einstein's general relativity theory explains about universal constants, this is important to understand the concepts of travel at light speed. ... Time for a stationary observer on earth and for an astronaut on a spaceship of high velocity is different. ... Carl Sagan wrote a science fiction novel about a fictional device that allowed his character to travel great distances across the universe. ... When the machines are placed in close proximity of each other the enormous amounts of energy, about ...
The documentary also provided a deeper understanding regarding the most sensitive issue about the environment which is the Global Warming. ... This documentary attempts to impact American citizens through factual evidence about the reality of global warming and that it is caused by the actions of the people. ... The film is presented by Al Gore (former United States Vice President) to expressly alert and warn the people regarding the phenomena brought about by global warming. ... In my opinion, the movie combines two storylines: one about the environmental problem and one abo...
