Dr. Matthewson's line, "fellow sons of bitches," is a reference to original Manhattan Project scientist Kenneth Bainbridge. Following the first successful test explosion of an atomic bomb on July 16, 1945, Bainbridge said to fellow project scientist J. Robert Oppenheimer, "Now we are all sons of bitches."
Several technicians are seen wearing shirts reading "Cayuga" on the back. Cayuga Productions was the name of Rod Serling's company that produced Twilight Zone.
Paul's science class nemeses Roland invented the Internet as his science fair project. This movie was made 10 years before the Internet reach widespread public notoriety.
The science projects and kids in the background of the science fair scenes were actual NYC middle school students with real science projects which were submitted to the NYC borough-wide science fair. These scenes were filmed over a three day period at the Penta Hotel in NYC on 33rd St.
The trivia item below may give away important plot points.
At the very end when they stop the countdown, the timer reads 7:16:45. July 16, 1945 was the date of the Trinity test where the first Atomic bomb was detonated in New Mexico.