bongs, hydroponics and acoustic detonation - adventures in patent searching

Links to different patents I'm talking about in this podcast:
Spill Proof Bong
Hydroponics
Autonomous Acoustic Detonation Device
Enjoy!

Towards a New Vision of Cemeteries and Sepulchral Monuments

The first episode of a weekly podcast exploring odd angles and strange corners of the world of information.
Music credit: Paul Eno's "A Rag-Time Episode" performed by banjoist Fred Van Eps in this recording from January 31, 1911.  Thanks, Internet Archive!