Science/Engineering/Technical forums

Coulter's Smithing forums
This is where any newbies should begin. See various FAQs and rules, learn to search, find out how to join the forums so you can post yourself.
Subforums: Announce yourself, The water cooler -- disscusions about anything, Eye Candy, It Almost Worked!, Books, Playpen

Physics
All things Physics
Subforums: Nuclear, Metrology, Vacuum Technique, Formulas and data constants, Theories and speculations, Chemistry

Electronics
Things electronic
Subforums: Digital, Analog, RF, High Voltage, High Power, Legacy (Tubes!), Audio, Altoids tech, Alt energy

Software
Software related topics
Subforums: Commercial, Homebrew, Combined projects, Fusor support

Machining and Fabrication
Stuff you made and how to make cool stuff
Subforums: Materials, PCBs and photolithography, Shop tips and kinks, Industrial, Guns and ammo, Electro-chemistry

Vendors
Places to get stuff, and who you like, and hate. Scrounging tips.
Subforums: The Trading Post, Mainstream, new stuff, Surplus, Skill Swapping, Trading Markets, DJ's, Bill's