The tower crane is a self-erecting crane also commonly known as a Kangaroo crane. The name Kangaroo crane comes from Australia where they were developed for use in the construction of modern high rise buildings. Modern, tall buildings would not…
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How strong can a concept be, if the best way to prove the concept is to disqualify all other concepts? How great is the human, who sees the flaws in the thoughts of all other humans, but offers no positive…
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How pendulum clocks work As complex as the mechanisms of a pendulum clock appear, they are not any more complicated than a battery operated clock. They have been used since 1656, and over many years, clock designers have worked out…
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Amongst the most ancient -and most essential- technologies developed since the rise of modern Homo Sapiens, the wheel is an invention that quite literally makes the world go ’round. The word “wheel” in our language is derived from the Old…
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Since the 17th century, faith in scientific method as the path to rational truth has grown rapidly over superstition and religious dogma. At the turn of the 20th century logical positivism became very popular and scientific progress was increasingly understood…
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HISTORY OF CALENDAR Have you ever noticed the connection between time and space? We all know that livingnear our place of work is saving time; we also know that between the third of themonth and the first of the next…
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Pavement or road surface is the durable surface material laid down on an area intended to sustain traffic (vehicular or foot traffic). The most common modern paving methods are asphalt and concrete. In the past, bricks were extensively used, as…
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The elevator has threaded its way through the human experience, surviving our reactions to the physical, psychological and social challenges it posed for us, as it passed through our edifices through time. No-one knows who first caused a human –…
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How is Death Handled in Space? “As you can imagine, it’s a thing that people aren’t really comfortable talking about,” said Dr. Richard Williams, NASA’s chief health and medical officer. “We’re trying to develop the ethical framework to equip commanders…
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Facts About Man Made Diamonds. De Beers was founded in South Africa in 1888 and today is the largest producer and seller of diamonds. Almost from the beginning the De Beers company has had a strangle hold on the diamond…
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