The short version
An energy-book retrospective checking David MacKay's assumptions against subsequent developments.
From the HackerLinks archive
Has It Held Up? — Without the Hot Air
An energy-book retrospective checking David MacKay's assumptions against subsequent developments.
At a glance:
First seen:2026-09-30
Last seen:2026-09-30
Times seen:1
Website:withouthotair.org
Why it caught our attention
A directly recommended entry point separates the book's enduring method from outdated numbers.
Where it surfaced on Hacker News
2026-09-30
“The 'Has It Held Up?' section seems a very good entry point.”
laurencerowe · recommendation
Direct HN comment
Sustainable energy without the hot air (2008)