[ad_1] The rate of natural disasters has increased fivefold since the 1970s due to climate change caused by human behaviors such as increased technology and industrial production. The aftermath of natural disasters costs billions of dollars and is predicted to become more widespread and powerful. In recent decades there has been an increase in the […]
[ad_1] Commercial air travel today is slightly slower than in the 1960s, with a cruising speed of around 500 knots. The Boeing 707 had a cruising speed of 525 knots, and modern planes are not designed to go much faster due to fuel consumption and sonic booms. The Boeing 747 and Airbus A380 have larger […]
