Physical Science

The Big Splat theory of how the moon was formed is based on evidence that 4.5 billion years ago a natural object the size of Mars collided with the Earth. Exactly what this object was has not been clearly defined….
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The full moon, though not a rare occurrence, does at times seem to be a magical, awe inspiring phenomenon that makes most nights appear rather humdrum. A full moon can light up a clear night almost to the point of…
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A physicist named Itzhak Bars has hypothesized the notion of two dimensions of time in a five or six dimensional universe. The extra time dimension could not be experienced in this universe because the extra two dimensions have a higher…
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A man looks up at the night sky and feels a sense of wonder as he takes in the sparkling spray of stars that fills the field of vision. No fool, he knows most of these twinkling points of light…
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What is the nature of time? On May 16, 1989, the world-renown physicist Stephen W. Hawking discussed some of the ways science addresses this question in Northrup Auditorium on the campus of the University of Minnesota. He came up with…
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The early intelligence of mankind is perfectly exemplified in the sundial, an ancient creation that has stood the test of time – literally – through its innovative precedence and quintessential significance. It allowed man to tell time for the very…
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Mesoamerica’s central location allowed it to benefit from technologies developed within both South and North America.  Metalworking in South America dates back to at least 1936 BC and appears to have been created for ornamental purposes.  While indigenous tribes in South…
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Benzene is considered as one of the fundamental structures in organic chemistry. Benzene has several applications in the manufacturing industry. However, the structure benzene attracted lot of attention when it was first discovered in the 19th century.  Michael Faraday was…
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As the sun slowly descends from the sky into the western horizon, retiring from its final day of summer sunshine, it lingers a bit to greet the harvest moon that makes its flamboyant appearance in the east, announcing the first…
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The Goldilocks Zone is the area from a star where any planets located there can support life. The conditions for life include liquid water on its surface with an atmospheric pressure high enough for it not to boil off.  A new definition…
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