The advantages of this kind of apparatus is that it is compact , often benchtop - sized , and that it can simply be turned off and on .
A relatively simple Farnsworth -- Hirsch fusor can be used to generate neutrons for NAA experiments .
The advantages of this kind of apparatus is that it is compact , often benchtop - sized , and that NAA can simply be turned off and on .
A relatively simple Farnsworth -- Hirsch fusor can be used to generate neutrons for NAA experiments .