Account-1:
Account-2:
Scholar:
Date:
Sunday, November 10, 2019
Retweets:
192 retweets
(Twitter) Likes:
423 likes
Body:
The amount of labor that once bought 54 minutes of light now buys 52 years of light. The cost has fallen by a factor of 500,000 and the quality of that light has transformed from unstable and risky to clean, safe, and controllable.