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http://askubuntu.com/questions/13758/how-can-i-edit-create-new-launcher-items-in-unity-by-hand

cp /usr/share/applications/firefox.desktop ~/.local/share/applications

sudo sage -upgrade

Fluoropolymers and Health[edit]

Food and Gut Microbiota[edit]

Forrest Mims Circuit Scrapbook, Volume 1[edit]

CHAPTER 2: LIGHT AND LIGHT COMMUNICATION

LEDs can be used as narrow-band optical detectors!
Water absorbs strongly at 940nm, but not at 880nm
sensitivity, rise time of phototransistors?

Look for AMP fiber connectors
Look for Motorolla detectors that attach to AMP connectors (MFOD 102F/302F)
FIber can be inserted directly into LEDs with a hot awl, heatshrink, and epoxy
PIN photodiodes are best for high frequency operation
Photodiodes are faster; phototransistors are more sensitive

CHAPTER 6: DIGITAL CIRCUITS

Phase-locked loops
Emitter-Coupled Logic (ECL) can be used to create high-speed oscillators (~100MHz)