oberth effect | Isaac Arthur

How Close Is Too Close To A Black Hole?

Black holes are often shown as dangerous, but might they be much safer and more useful than science fiction likes to portray? Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join Visit our Website:...

Gravitic Spaceship Propulsion

To get started planning a career that works on one of the world’s most pressing problems, sign up now at https://80000hours.org/isaacarthur Gravity is a fascinating force, it’s what holds everything on our planet together, and it might one day help us travel to other...