Can a handgun kill bacteria?  I remember reading about experiments to test whether bacteria could survive meteor impacts.  They couldn&#x27;t come up with a gun powerful enough to wipe them out.<p>Here: <a href="http:&#x2F;&#x2F;link.springer.com&#x2F;chapter&#x2F;10.1007%2F3-540-25736-5_3" rel="nofollow">http:&#x2F;&#x2F;link.springer.com&#x2F;chapter&#x2F;10.1007%2F3-540-25736-5_3</a>