With the reduction of material costs electroncos, many scientific instruments today you can make yourself at low cost.
Some examples of analytical instruments appear in the Journal of Chemical Education . There are also programs of UNESCO for scientific education in developing countries such as the low cost pH meter .
In Asia there are also some interesting developments like this photometer . Or that other in Brazil.
With the reduction of material costs electroncos, many scientific instruments today you can make yourself at low cost.
Some examples of analytical instruments appear in the Journal of Chemical Education . There are also programs of UNESCO for scientific education in developing countries such as the low cost pH meter .
In Asia there are also some interesting developments like this photometer . Or that other in Brazil.