Category: Technology

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10.8 Global Positioning System

PROFESSOR: Welcome back to A20 special relativity. In this last section of this chapter, we talked about applications and implications of special relativity. We talked about the global positioning system. You all have used...

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Why Spacesuits Are So Expensive | So Expensive

This spacesuit, built in 1974, was reported to cost between $15 million and $22 million. Today, that would be about $150 million. Having not delivered any new mission-ready extravehicular suits since then, NASA is...

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How NASA Reinvented the Rocket Engine

This is no ordinary rocket engine. Limited by the technology of their times engineers and physicists have theorized this propulsion method for centuries, but the constraints of time may have just lifted with NASA’s...

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Rockets 101 | National Geographic

– [Narrator] The ground begins to tremble. – [Announcer] Three. – [Narrator] Massive engines roar to life. – [Announcer] Two. – [Narrator] Billowing clouds of exhaust. – [Announcer] One. – [Narrator] And then a...

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How Does A Spacesuit Work?

Consider how you dress when you go outside on a frigid winter day. You have got your shirt, pants, sweater, possibly long underwear, jacket, gloves, helmet or hood, scarf, and boots on. You dressed...

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Artificial Gravity

Gravity. It’s what keeps us held to the surface of the Earth and provides a sense of up and down. When we venture into space and orbit the Earth, or some other world, the...

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How a Rocket works?

The term rocket science is often used to describe a concept that is quite difficult to understand but in this video we are going to explain The technology behind rockets and rocket engines in...

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The artificial gravity lab

– Last video, I was at the Ashton Graybiel Spatial Orientation Lab at Brandeis University, and while I was there one of the team just casually mentioned that they have an artificial gravity laboratory....

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