The difference between globular clusters and open clusters
By: Eileen Eva
If you are an astronomer or a person who enjoys watching stars and constellations, you must have come across the words globular and open clusters. According to NASA, “Star clusters are groups of stars which are close together in space, rather than just accidentally...
By: Bruce Tyson
People do it everywhere else, so why not in space? The modern fascination with sex may no longer escape NASA’s public policy as calls emerge for the agency to define proper etiquette for “getting it on” in a weightless environment. Also the &ldquo...
By: Wayne Leon Learmond
Does 'time' exist? Or is time, as we know it, man-made? Mankind, likes order, we like to know when to get up and when it is time to go to bed.. Our whole life is dominated by clocks - whether those clocks be biological, mechanical...
By: Robert Tesla
Throughout the universe, things are in constant flux. Stars are formed and galaxies are consumed, and no one would ever notice if not for the many advances in astronomy. In the early days of travel, being able to decode the stars was a necessity to...
By: Patrick Stephen Baker
Abu Ali al-asan ibn al-asan ibn al-Haytham, generally called Al-Hazen in Europe is known in the West as “Ptolemaeus Secundus” or “Ptolemy the Second” based on his main astronomical work Al-Shukuk ala Batlamyus, generally translated as “Doubts Concerning Ptolemy”. He also wrote...
By: Terrence Aym
World famous science fiction writer and futurist, the late Sir Arthur C. Clarke once penned a novel, "The Fountains of Paradise" that featured an amazing technology called an orbital tower that's basically an elevator to space.According to A. Senthil Kumar, deputy head at the...
Effects of mustard gas exposure
By: Norman Green
Mustard gas was used in Flanders, near the town of Ypres, on 12 July 1917. This was its first reported use in modern warfare, and one of its alternative names is Yprite. The chemical was first synthesised much earlier, certainly in 1860 by Frederick Guthrie...
Understanding Electromagnetic Field (EMF) exposure
By: Alaina M. Coyle
Electromagnetic fields (EMFs) have been linked to a variety of serious diseases and illnesses – from chronic fatigue to nausea; headaches to miscarriages; brain tumors to cancer. EMFs are radiated from anything that conducts electricity, so the threat is literally all around us. How serious...
By: Norman Green
A sunspot is a visibly darker area, appearing in the photosphere of the sun. They are a temporary phenomena, each individual sunspot having a longevity that can vary from a few hours to a couple of months. The spots appear darker than the rest of...
By: Terrence Aym
The USA's prestigious space agency, the National Aeronautics and Space Administration, loves to talk about nuts and bolts, engineering, space exploration and the life humans may discover "out there." The space agency is even willing to discuss shuttle toilets and the hurdles that had...

 

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