[On Richard P. Feynman's live demonstration of the rigidity of the O-rings when cold that doomed the space shuttle Challenger, killing seven… — Freeman Dyson Copy Share Image
Our nation is indeed fortunate that we can still draw on an immense reservoir of courage, character, and fortitude, that we are… — Ronald Reagan Copy Share Image
The crew of the space shuttle Challenger honored us by the manner in which they lived their lives. — Ronald Reagan Copy Share Image
