1. Manhattan Project - Noun
2. Manhattan Project - Proper noun
code name for the secret United States project set up in 1942 to develop atomic bombs for use in World War II
a former United States executive agency that was responsible for developing atomic bombs during World War II
Source: WordNetDuring my participation in the Manhattan Project and subsequent research at Los Alamos, encompassing a period of fifteen years, I worked in the company of perhaps the greatest collection of scientific talent the world has ever known. Frederick Reines
Imagine a man when it all began The pilot of 'Enola Gay' Flying out of the shockwave on that August day All the powers that be, and the course of history Would be changed forevermore -- Manhattan Project (1985) Neil Peart
We were on a joyride, on free energy almost. [...] It seems to me we need something like the Manhattan Project. We need some urgency saying, "Here's what we should be doing. We've got to get off fossil fuels." Lee Iacocca
All I'm saying is that it's shortsighted to blame TV. It's simply another symptom. TV didn't invent our aesthetic childishness here any more than the Manhattan Project invented aggression. David Foster Wallace
As the old saying went, the Manhattan Project wasn't built in a day. Or was that Rome? Something to do with Earth, anyway. Alastair Reynolds
The 'clean energy' challenge deserves a commitment akin to the Manhattan project or the Apollo moon landing. Martin Rees