The air would be so thin that even the best climber would have no choice but to use supplemental oxygen. Why? Because of the many factors which affect atmospheric pressure. Pioneering scientists ...

What Makes the Wind Blow explains the fundamental forces behind wind and air movement using real-world and laboratory demonstrations. The film shows that wind is caused by differences in air pressure, ...

But they all have one thing in common: a change in air pressure. Just like air rushing out of your car tire when the valve is open, air in the atmosphere is forced from areas of high pressure to areas ...

Everyone knows that you need to check your engine oil to make sure your motor won’t blow up, but how many people check their tyre air pressure regularly? Car tyres aren’t just unsafe when they’re old ...