List of All Articles with Tag 'a'

The US Supreme Court cleared the way for Equitrans Midstream Corp. to resume construction on its controversial Mountain

Ever wondered why people say they can smell rain before it rains? They are not pulling your leg - there is real science behind it. It is all because of petrichor, made up from the Greek words "petra", meaning stone, and '"ichor", which refers to the golden fluid that flows in the veins of the gods in their mythology. It basically means the the "smell of rain" with the phrase coined by Australian scientists Joy Bear and Richard Thomas in 1964. Jeff Weber, a meteorologist with the University Corporation for Atmospheric Research Unidata Program Center told the Mirror: "Petrichor is caused by oils derived from plants, primarily leaves, that accumulate over dry periods. These oils settle into soils or onto pavement over time and are released into the atmosphere by being disturbed by rainfall." According to the Met Office, the reason people claim to smell rain because it comes is because "when a higher humidity is experienced as a precursor to rain, the pores of rocks and soil become trapped with moisture forcing some of the oils to be released into the air". Sign up to our free Indy100 weekly newsletter Despite some being released before it actually rains, the strongest smell is released during. This is when raindrops landing on soil "trap tiny air bubbles on the surface which then shoot upward" and "burst out of the drop throwing aerosols of scent into the air where they are then distributed by the wind". The smell is produced by a soil bacteria which releases a chemical called geosmin, which provides an "earthy", musky or fresh aroma. Before it rains, a person might be able to smell the scent of ozone, or O3, which is a naturally present gas in the atmosphere which gets its name from the Greek word 'ozein', or smell. It sometimes indicate that a storm is on the way because pockets of gas are pushed down to ground level by winds. This means that those who are sensitive to the smells will likely be able to pick them up. So now you know. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

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The release of Christopher Nolan’s Oppenheimer has generated a flurry of interest in the man behind the atomic bomb, Julius Robert Oppenheimer. The film tells the story of the physicist and his role in the Manhattan Project, which was the the codename given to the development of the A-bomb. Oppenheimer, who referred to himself as “death, destroyer of worlds”, was the figurehead of the project, which involved splitting the atom and the devastation wrought by two atomic bombs being dropped on Japan in 1945. Sign up to our free Indy100 weekly newsletter The first bomb was dropped on the city of Hiroshima on 6 August 1945. It killed tens of thousands of people. It was nicknamed Little Boy. Oppenheimer Atomic bomb How it Works | First Nuclear Bomb www.youtube.com A second bomb fell days later on the city of Nagasaki, this time nicknamed Fat Man. Historians believe more than 200,000 people died as a result of the events, with millions more severely affected. Now, YouTube channel AiTelly has produced a video of what exactly happens inside such a weapon to create such a wave of destruction. The animation shows that when the bomb falls, it activates a switch that triggers a trio of navy gun primers, which in turn ignite a charge inside the weapon. Four silk powder bags containing two pounds of cordite, an explosive powder, push the the uranium projectile forward at 300 metres-per-second. The uranium collides with more uranium at the front of the bomb, combining them with four polonium initiators, which create nuclear fission. This is the act of splitting the atom, and it is what creates the huge expulsion of energy – the explosion. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

July is set to become the world’s hottest month on record, as fossil fuel emissions drive climate change

By Helen Coster and Samrhitha A NEW YORK (Reuters) -Comcast Corp beat estimates for quarterly revenue on Thursday, helped by

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