a thoughtful web.
Good ideas and conversation. No ads, no tracking.   Login or Take a Tour!
comment
user-inactivated  ·  4093 days ago  ·  link  ·    ·  parent  ·  post: Skylon: Promising Tests of the SABRE Engine

    The pre-cooler technology is the key. It allows the incoming airstream to be cooled from over 1000 degrees C to minus 150 C in less than 1/100th of a second without any frost blockage.

I'm trying to wrap my head around how this is possible.