The first 500 people to use this link will get a 2 month free trial of Skillshare: http://skl.sh/RLL5
There is a math error at 2:35 in this video. It would actually take around 9 years to reach the nearest other star to Earth at 50% the speed of light, not 2. Please ignore what I say there in this video :)
What is the most valuable material in the entire world? Watch to find out what and why, but spoiler alert! It's antimatter, antimatter is really really expensive and even more cool.
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