Marco Giovanelli

‘Something Entirely Contingent’: Hermann Cohen’s Already Relativized A Priori

Abstract Among current endeavours to historicize Kantianism, two prevailing approaches are frequently discussed: Reichenbach’s ‘constitutive, but relative a priori ’ and Cassirer’s ‘regulative, but absolute a priori ’. This paper argues that this opposition is misleading, as it f...

Is time dilation ‘real’? Einstein and the transverse Doppler effect

Abstract As early as 1907, Einstein realized that the second-order transverse Doppler redshift reported by Stark in the spectral lines of fast-moving ions in canal rays could serve as a direct experimental test of time dilation. He rejected Stark’s dynamical explanation of the ef...