What is the best experimental method for determining the charge of an electron?

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To determine the charge of an electron, consider designing a novel experiment inspired by Robert Millikan's oil drop experiment, which famously measured the electron's charge. Suggestions include exploring variations in the method or using different materials to create a similar setup. It's important to ensure that the experiment is unique and not a direct replication of existing methods. Researching existing literature on electron charge measurement can provide insights and spark innovative ideas. A fresh approach could lead to valuable findings in experimental physics.
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Homework Statement



I need to design an experiment to find the charge of an electron. And I have no idea how. Could somebody give an idea on what I could do?
 
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You could try Google and search for experiment to measure charge on electron.
You will probably get plenty of references to Robert Millikan. That could be a good starting point.
 
I need experiment that has not be done already. Something similar to Millikan but not the same.
 
Thread 'Variable mass system : water sprayed into a moving container'

Thread 'Variable mass system : water sprayed into a moving container'

Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system $$M(t) = M_{C} + m(t)$$ $$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$ $$P_i = Mv + u \, dm$$ $$P_f = (M + dm)(v + dv)$$ $$\Delta P = M \, dv + (v - u) \, dm$$ $$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$ $$F = u \frac{dm}{dt} = \rho A u^2$$ from conservation of momentum , the cannon recoils with the same force which it applies. $$\quad \frac{dm}{dt}...
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