Physical Science

At the heart of every radio frequency transmitter is an array of electronic circuitry generating a RF signal that carries useful information, or intelligence. First, an oscillating circuit generates a continuous, steady state signal, referred to as the carrier wave,…
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There is a powerful but simple truth in the statement time flies when you are having fun’. This is one simple concept of relative time since it is a fact that time is a scientific constant that neither speeds up…
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The brightness of a full moon has inspired centuries of creation myth, poetry and even vampire and werewolf mini series and movies.  Yet few people know that the shining moon actually reflects less light than the planet Venus. The albedo…
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The use of activated charcoal for detoxifying or decontamination of stomach content, in instances of self or accidental poisoning, have been practiced for many decades. It is considered one of the mainstays of decontamination in acute poisoning while many different…
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When one thinks of a spacecraft, images of star destroyers from Star Wars, the Enterprise from Star Trek, and the Discovery One from 2001: A Space Odyssey may come to mind. A contemporary view includes NASA’s space shuttles and the…
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A radioisotope thermoelectric generator, RTG for short, is a small, very long lasting power source – an outgrowth of the nuclear power program. About the size of a thermos bottle, it can supply useful power for very long periods of…
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The speed of light in a vacuum, like that of the outer space, travels at 299,792,458 meters (186,282 miles) per second. In physics the speed of light is denoted as c, and is the greatest speed at which all matter…
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Add heat to a solid and it begins to melt . Add enough heat and the entire solid becomes liquid. Add heat to liquid and it begins to vaporize. Add enough heat and the whole liquid becomes a gas. Add…
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On a little more of application levels I want to submit this idea to change the world for the better. The day seems to be coming when fossil fuels will actually be a thing of the past for Earth endeavors…
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The concept of a Dyson sphere was created by Freeman Dyson, but it is acknowledged that the idea was based mainly on the writings of Olaf Stapledon. Personal facts Freeman Dyson was born in 1923 in the UK, the second…
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