December 28, 2024, 01:24:13 PM
Forum Rules: Read This Before Posting


Topic: very nice idea - about postcards  (Read 3986 times)

0 Members and 1 Guest are viewing this topic.

Offline Borek

  • Mr. pH
  • Administrator
  • Deity Member
  • *
  • Posts: 27889
  • Mole Snacks: +1816/-412
  • Gender: Male
  • I am known to be occasionally wrong.
    • Chembuddy
very nice idea - about postcards
« on: November 28, 2005, 10:22:28 AM »
Few weeks ago I have found this site:

http://www.postcrossing.com/

You send postcards - and then you receive postcards. The idea is simple and great. Besides - it really works. I have sent three and I have received three so far.
ChemBuddy chemical calculators - stoichiometry, pH, concentration, buffer preparation, titrations.info

Sponsored Links