Do you wonder why flight attendants always give us the same instructions before take-off and landing? Some of them sound strange and seem to have no logic. Like, why do we need to open window shades or sit in darkness for flights at night? Pilots have their own window to look through, and they can’t even see if it’s dark or not in the passenger cabin. What gives? Take-off and landing are the most dangerous moments of the whole flight. Airplanes seldom crash in the air; the pilots can easily control the aircraft at a high altitude, or even in a turbulence zone. Most crashes actually occur when the plane…

Thanks NordVPN for sponsoring this episode! Start protecting yourself on the web at http://www.NordVPN.com/whatif or use code whatif and get 70% off 3-year plan + 1 month free. Imagine what it would be like if you could wake up in your New York City apartment at 7:00 a.m., and make it to your job in London, England by 9:30 in the morning. That would be a possibility if we dug tunnels between the two continents. Just try not to get sick. Believe it or not, something like this is possible. How would we make a tunnel like this? How much would it cost? Transcript and sources: https://insh.world/science/what-if-we-dug-tunnels-between-continents/ Watch more what-if…