Archive for December, 2008

The Physics of Stringed Instruments

Physics is a science that can be applied to anything. It can explain how sound is made and how it can be manipulated. This paper will explain how musical instruments, stringed instruments in particular, create the music that is part of all of our lives. There are many different types of musical instruments and...
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Posted in Sound | No Comments »

Using Sunlight More Efficiently

Researchers at the National Renewable Energy Laboratory (NREL) in Golden, Colo have developed a way for low-cost solar cells to more efficiently convert sunlight into electricity.The research, which increases the "lifetime" of electrons created in a solar cell so they can make more electricity, is a possible step in the direction of bringing down...
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Posted in Research, Technology | 1 Comment »

APS ENERGY EFFICIENCY STUDY

Using energy wisely will help fill your pocketbook, protect the environment, and perhaps improve national security — this according to a new report on energy efficiency issued by the American Physical Society (APS), the leading organization of physicists in the United States. The report, which looks at improving energy efficiency in the transportation sector...
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LEADER OF THE PACK

Lance Armstrong, the cyclist who won the Tours de France seven times, often came in first because he spent so much time in second. That is, he would regularly pedal right behind a teammate whose job was to obligingly break up the stream of oncoming air, making it easier for Armstrong to save his...
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Posted in Living Systems | No Comments »