Physical Science

The most important thing to remember about how a candle burns is that it requires steady fuel, as well as a container. Brilliantly, the wax of a candle acts as both fuel and container, and while some fuel leaks from…
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The American plans for space exploration on a limited scale began on in July 1955 when the White House announced its intention to launch a satellite in response to the International Council of Scientific Unions call for artificial satellites to…
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Organic Chemistry is known as the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon. It involves the scientific study of the structure, properties, composition, reaction, and preparation of chemical compounds…
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The sun is approximately 877,000 miles in diameter, making it the biggest object in the Solar system. The sun is essentially a big ball of gas, made up of 70% hydrogen and 28% helium. The remaining 2% is made up of…
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THE BIG BANG So this is what we do know THE GALAXYOur galaxy so they say contains more than a hundred million stars, our nearest star is called the Sun, and the Sun is the source of all our power,…
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The sun is a gigantic sphere of hot gas and fire. It illuminates our world and every other one nearby, for that matter. Without it, life would be impossible, as the millions of chemical reactions needed for our planet to…
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Laser beams normally cut, burn and push, but by fine tuning a laser, researchers have found a way to create a real tractor beam. For years scientists have known that light pushes. Planetariums and gadget stores have sold small glass…
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Christa McAuliffe was given a mission. She was to teach two lessons from the space shuttle Challenger. She spent 114 hours training for the mission alongside professional astronauts. Christa McAuliffe was an ordinary person, a teacher by trade, chosen to…
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The birth and the death of a star remain a highly debated topic among those who are interested in the subject, although new technologies and centuries of research have given scientists a considerable amount of knowledge. It is such knowledge…
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The most obvious difference between stars and planets are size and brightness. Stars are actually suns immense distances away from our location giving the appearance of a point of light in our night sky. Planets are actually satellites of a…
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