How It Works: Can A Cow Jump? & Other Crazy Questions

How It Works: Can A Cow Jump? & Other Crazy Questions

Language: English

Pages: 132

ISBN: 2:00333978

Format: PDF / Kindle (mobi) / ePub

How much does the sky weigh? How do fish sleep? Why do boomerangs come back? These are just a few of the questions asked and answered in Can a Cow Jump? In this bookazine we’ll investigate some of the craziest questions around, diving into the science behind each and providing you with enough fascinating trivia and knowledge to last a lifetime. So, can a cow jump? Find out here!

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The elements. © Dreamstime; The Institution of Civil Engineers bridge over which the cables pass), improving their structurally efficient hold. The 24-kilometre (14.9-mile) bridge, which will take motorists approximately 20 minutes to cross, has a curved appearance when viewed from 75 How is air kept fresh in aeroplanes? At 12,000 metres (39,000 feet), oxygen pressure is so low that even breathing pure oxygen doesn’t transfer enough into your blood. This is why all airliner cabins are.

The recycled air isn’t simply pumped back around the cabin; it goes through a complex cleaning process to remove bacteria, fungi, dust, fibres and odours. This 50/50 mix ensures that the chance of germs spreading is kept very low while also guaranteeing optimal fuel economy for the plane. The outside component of this mixture is provided by the engines, which take in some of the surrounding air as they fly and compress it. This compression heats the air, so it is cooled and filtered before 76.

Not a ‘need’ for a treat, it’s a ‘want’. This is because the first time you experienced a doughnut, the mesolimbic centre of your brain (the region that processes pleasure) lit up, as the fatty, sugary goodness of the treat released chemicals known as opioids that bind with receptors in the brain. This triggers the release of dopamine, the hormone that makes us happy. Your brain remembers this response, and encourages you to repeat the pleasurable feeling by eating more. © Dreamstime;.

Passengers travelled in the cabin, which had its own air conditioning system. History enormous propellers, helping it soar to a cruising altitude of 9,750 metres (32,000 feet). Piston engines are characterised by multiple tubes, each containing a separate solid cylinder known as a piston, which moves back and forth inside it. When the fuel ignites within each tube, it causes the gases within to heat up and expand. This forces the piston to drive forward, moving the connecting rod and turning.

Someone is sick? Some habits are extremely beneficial; the ones that you go through as part of your morning routine before work are a good example of this. Other habits activate the pleasure centres in our brains, triggering the release of a feelgood chemical called dopamine. It doesn’t distinguish whether the habit itself is good for us, and repeating habits that release dopamine ultimately changes the way our brains work. That’s why addiction has come to be classified as a disorder or a.

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