Don’t forget the latest caption contest voting poll — I’ll be closing this out today or tomorrow, and declaring a winner, so if you haven’t voted yet, go check ’em out.

A reader reacts to Mainspring and Escapement — Mixed reviews in both cases. Also a number of other pocket reviews here.

Today’s Sally Forth hits a point about our missing future that doesn’t get addressed often enough — “The Gernsback Continuum” notwithstanding.

Spelunking the T — A tour of abandoned lines and stations of Boston’s subway. I am soooo jealous.

The first woman to navigate a dirigible solo — From x-planes. The hat is something.

Inside the Secret Service — A photoessay from Life.

The Lithium Rush — Technology Review with a striking photoessay on Bolivian salt flats and lithium.

The Problem With Warp Drive — Centauri Dreams with some deep neepery on the Alcubierre warp drive.

?otD: Pandora or Endor?

---

12/29/2009
Body movement: n/a (60 minute urban walk forthcoming)
Hours slept: 6.0
This morning’s weigh-in: 226.0
Currently reading: Living With Ghosts by Kari Sperring