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Landing on Mars: seven minutes of TERROR!

JPL's video demonstrating the engineering challenges in the precise timing of the descent of a human-crewed Mars lander is nail-biting territory. There's a reason they call the landing "seven minutes of terror."

Challenges of Getting to Mars: Curiosity's Seven Minutes of Terror (Thanks, Fipi Lele!)

World's scariest zip-line

A tour operator in Nepal runs what they claim is the world's fastest zip-line, a 1.8km run that drops 600m and attains speeds of 160km/h. Watching the helmetcam sections of this video actually made the blood drain from my face.

What is Zip-flyer?
Basically, zipline is a cable mechanism used for transportation across a river, gorge etc. In our context, it is a piece of recreation equipment consisting of a cable stretched between point of different elevations, a pulley, and a harness or a bar for attaching a rider, who moves by gravity. Zip-flyer Nepal also works with the same mechanism and is categorized as an adventure sports.

How long is it and what would be its max speed?
Well, its 1.8 km long and has the speed of 160kmph making it the world’s most extreme ride.

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