Physics GRE Discussion Forums

Posted: **Fri Jul 25, 2008 3:08 pm**

Can someone please explain why ETS feels the need to include a question about positronium on every single test? (not to complain - it's basically a free point as long as you remember -6.8 eV)

Posted: **Fri Jul 25, 2008 6:53 pm**

It's one of those mysteries we may never know the answer to.

Posted: **Sat Jul 26, 2008 12:28 am**

only two parties know the answer to that mystery... ETS and garden.

Physics GRE Discussion Forums

Positronium

Positronium

Re: Positronium

Re: Positronium