Space City Speculations
formerly Kardashevian Aspirations..... Discussion of my off-grid project.
Sunday, June 30, 2019
Light a fire with a baggie full of water
The idea is to make a type of ball that can focus the sun's light into a beam hot enough to start a fire.
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment