1. On 3D printing as a "gateway drug", and other thoughts on digital manufacturing.
2. Book review of My Lunches with Orson: the mad genius of Orson Welles.
3. Kevin Vallier responds to Robin Corey on Hayek and Nietzsche.
4. An economist on 'the arithmetic' of space travel.
5. Lane Craig, theist philosopher and rhetorician extraordinaire.