Practical Resource – making a DIY, LED light source

Introduction:  A great microscopist once reminded me that: “you can’t see 100% of the photons that your illumination does not provide” (as an insightful corollary to the famous Gretzky quote: “you miss 100% of the shots that you don’t take.”) Said another way, your illumination determines what you can and cannot see. For this reason, this…

Microscopic “aliens” of the ocean!

The ocean holds remarkable wonders from behemoth whales to iron-“breathing” bacteria ( See: http://www.sciencedaily.com/releases/2009/04/090416144512.htm).  You might even call some of them “alien” to emphasize just how different from our expectations some of them can be. Being granted the wonderful opportunity to spend some time at a local Marine Station, I set out — with foldscope in…