All that will be left is residual radiation; an ironic cosmic odor of what once was.

There is some residual radiation, indicating that atomic weapons were in use approximately five thousand years ago.

More than sixty years after the test, residual radiation at the site measured about ten times higher than normal.

If the Enterprise had blown up, there would be high residual radiation.

"But bear in mind that some aspects of our presence, such as residual radiation and heat, cannot be blocked or otherwise concealed."

These three areas are also emitting residual radiation of the type associated with hyperdrive field generation.

"And people outside of vehicleswill be at risk from residual radiation."

Either way the residual radiation would punish my curiosity.

Although there was still some residual radiation it was not at a dangerous level.

No thermal effects; no residual radiation in our outer screen.