Billions of Artificial Robot Brains Take Over the World: New at Reason
A review of The Age of Em: Work, Love, and Life When Robots Rule the Earth

Move over, humans; the emulations are coming and our world is going to get really weird. That's the premise of the George Mason economist Robin Hanson's fascinating new book, The Age of Em: Work, Love, and Life When Robots Rule the Earth, a worthy addition to the growing canon of visionary literature about exponential technological progress. The book tries to discern how the world will change when it becomes possible to upload human minds into computational substrates.
Hanson argues that three supporting technologies are required to achieve this: fast, cheap computers; fast, cheap brain scanners; and detailed and effective models of brain cells. Once all three become available later this century, it will be possible to scan a human brain and emulate it on computer hardware. At that point we'll enter the Age of Emulation—or the Age of Em, for short. And then what? Go read the review to find out.
Hide Comments (0)
Editor's Note: As of February 29, 2024, commenting privileges on reason.com posts are limited to Reason Plus subscribers. Past commenters are grandfathered in for a temporary period. Subscribe here to preserve your ability to comment. Your Reason Plus subscription also gives you an ad-free version of reason.com, along with full access to the digital edition and archives of Reason magazine. We request that comments be civil and on-topic. We do not moderate or assume any responsibility for comments, which are owned by the readers who post them. Comments do not represent the views of reason.com or Reason Foundation. We reserve the right to delete any comment and ban commenters for any reason at any time. Comments may only be edited within 5 minutes of posting. Report abuses.
Please
to post commentsMute this user?
Ban this user?
Un-ban this user?
Nuke this user?
Un-nuke this user?
Flag this comment?
Un-flag this comment?