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The control of fire was a turning point in the cultural aspect of human evolution.
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The wheel is a circular component that is intended to rotate on an axle bearing.
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A chemical substance is a form of matter that has constant chemical composition and characteristic properties.
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Gun powder is the earliest known chemical explosive.
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Oil is composed mostly of glycerides, which in many human products.
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Newtons Laws of gravity states that a particle attracts every other particle in the universe using a force.
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Medicine is the science and practice of the diagnosis, treatment, and prevention of diseases.
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Electricity is powered from sources of primary energy.
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The satellite is an artificial body placed in orbit around the earth or moon in order to collect information for communication.
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The internet is a global system of interconnected computer networks.
