Now you can have an ongoing existential crisis, every second of your ever-dwindling life with this personal life countdown timer ... you croak with time left on the clock. Answer these questions ...

Farrell relays the report to Washington: the bomb will be dropped on August 6. Estimated take off time 02.45. Meanwhile, President Truman is on the USS Augusta, a US navy cruiser in the Atlantic.

The clock hands are set by the Bulletin of the Atomic Scientists, a group formed by Manhattan Project scientists at the University of Chicago who helped build the atomic bomb but protested using it ...

That's right, it's a year-long countdown ... clock in at maybe a week or two before the big unveiling happens—or the server crashes when everyone starts mashing the refresh button at the same ...