Now how does one alter the charge on the niobium ball? "Well at that stage," said my friend, "we spray it with positrons to increase the charge or with electrons to decrease the charge." From that day forth I've been a scientific realist. So far as I'm concerned, if you can spray them then they are real.


Representing and Intervening (p. 23), Cambridge University Press. 1983


Now how does one alter the charge on the niobium ball? Well at that stage, said my friend, we spray it with positrons to increase the charge or with...

Now how does one alter the charge on the niobium ball? Well at that stage, said my friend, we spray it with positrons to increase the charge or with...

Now how does one alter the charge on the niobium ball? Well at that stage, said my friend, we spray it with positrons to increase the charge or with...

Now how does one alter the charge on the niobium ball? Well at that stage, said my friend, we spray it with positrons to increase the charge or with...