Element facts: Silver
By: Glen Brizius
Whether it's as coins, as carriers of electricity, or a component in photographic film, silver has many uses. Silver, copper, and gold (elements in Group IB of the Periodic Table of the Elements) are all used to mint coins. They have been used this way...
Element facts: Iron
By: Henry Chew
Iron, or its scientific name Ferum is a kind of metal. It has a density of 7.874 gram per cubic meter. Its melting point is at 1538 degree Celcius and boiling point, 2862 degree Celcius. Pure iron has a lustrous surface and is silvery...
Factors to consider in man's desire to explore outer space
By: Tim Williams - 429156
Since the dawn of man, mankind has always looked up to the heavens and pondered that ageless question whether we are alone or are there other life forms some where out there in the Universe. From the first time man noticed those shining stars above...
By: Alison Bowler
The Swedish chemist Johan Gottlieb Gahn discovered the hard but brittle metallic element manganese (symbol Mn) in 1774. However, another Swedish chemist, Carl Wilhelm Scheele, proposed the existence of such an element prior to its discovery. Gahn isolated the element from the mineral pyrolusite. Pyrolusite...
By: Alison Bowler
Going into a chemistry laboratory just about anywhere in the world will reveal a brightly colored poster of the periodic table on the wall. Most chemistry textbooks and just about every chemistry website have a copy of this table. It has a long column of...
Where UFOs come from
By: Dyana Hepburn
Where do UFOs come from? Since 1947 when Kenneth Arnold first reported his sighting of flying disks over the Cascade Mountains in Washington, the mystery of these unidentified flying objects has intrigued the public. The 1950s were the flying saucer years when UFO groups formed...
By: Janet Grischy
He was a genius among middle school biology teachers, and also a ham. He didn’t just take joy in science, he took glee. He loved shoving cages of frogs up next to each other so that they’d display for us. He made a...
Moon Landings Lunar Mission Appollo 11 1969 Conspiracy Theory History Postmodernism Moon Hoax
By: Jamie Clubb
Like many moments in the 1960s, the moon landings were one of those events where, apparently, you would always remember where you were when Neil Armstrong allegedly fluffed his lines "One small step for man [crackle, crackle, interference], one giant leap for mankind [more interference]"...
Facts about Mars
By: Kat Dee
Mars is the fourth planet from the sun .It is the 2nd closest planet to the earth.Mars is about1/2 the diameter of earth. It takes 687 days for mars to make a complete rotation around the sun. A martian day lasts 24 hours and...
Is the anthropic principle valid?
By: Ray Burke
We are the aliens Scientists from around the world have gathered at London’s Royal Society to debate the merits of contacting alien civilisations, but they should also discuss another pertinent problem: that humankind may be living anomalies in an anomalous universe, whether there is...

 

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