Recent content by Congrute

I am not a formal student of physics so I always end up getting quasi-suitable answers via the web. My hope is that this forum will alleviate some of that uncertainty. Thanks for having me onboard.

How does U235 reach criticality via neutron capture when its natural decay process is via alpha emission. I know that U235 will reach criticality in a suitably shaped container after a specific concentration has been reached. In addition, I've read that the original U235 bomb (little boy) was...