Apakah Geiger counter? Geiger counter versi tiub yang diguna oleh Explorer-1 adalah ubah suai hasil kajian oleh Van Allen dari Iowa University. Geiger counter asalnya direka oleh Hans Wilhelm Geiger (d.1945) dari Kiel Uni, Germany pada 1908.
The Geiger counter was conceptualized and designed by German physicists Hans Wilhelm Geiger and British physicist Ernest Rutherford, in 1908. Their initial creation could only detect alpha particles.
Versi asal Gieger counter
[ Hans Geiger (left) and Ernest Rutherford (right) in their lab - at Manchester Uni?]
Baca "Geiger: the man whou learned how to count radioactivity". open mind (link).
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