"Hans Berger" returned 3 hits
1
Electroencephalograph invented, to record electrical signals from the brain via galvanometers that measure electrical signals from electrodes on the scalp. EEGs were printed on multiple-pen, strip-chart recorders, with each channel showing the the amplitude from a given electrode.
Mediaitems:
Berger portrait, EEG machine
Category:
Technology
2
Sieve diagram, for representing frequencies in a two-way contingency table
Mediaitems:
Sieve diagrams applet, Riedwyl portrait, Riedwyl bio and portrait, Sieve diagram image
Category:
Statistics & Graphics
3
The moving buble chart.
Mediaitems:
Buble chart for HIV, Buble chart for the World, Hans Rosling, Gapminder home page
Category:
Statistics & Graphics
