How much fuel did the Saturn V consume at liftoff?
≈6.2 million pounds of propellant
What is the largest engineering project ever undertaken by the U.S.?
The Interstate Highway System
What is the strongest man-made material?
Graphene: 50-100x stronger than Spider silk (by tensile strength)
How many rounds per minute can the Northrop Grumman M242 Bushmaster Chain Gun fire?
200 rounds per minute (standard rate)
How tall was the Saturn V rocket?
363 ft
How many miles of highway does the U.S. Interstate System contain?
48,000 miles
Who invented the safety elevator?
Elisha Otis
What is the minimum number of GPS satellites needed to determine position?
4
How many Apollo missions successfully landed humans on the Moon?
What bridge collapse in 1940 reshaped modern bridge aerodynamics?
Tacoma Narrows Bridge
What engineering error led to the Mars Climate Orbiter loss?
Metric vs. imperial unit mismatch
How many rounds per minute can the M240 machine gun shoot?
Cyclic rate: 650–950 rounds per minute
How many people have walked on the Moon?
12
What percentage of U.S. electricity comes from nuclear power (approx)?
20%
What software bug caused Patriot missile failure in 1991?
Floating‑point rounding error
What is the top speed of the General Dynamics Stryker vehicle?
Approximately 60–62 miles per hour
What air-breathing aircraft holds the current record for the speed?
SR‑71 Blackbird (Mach ~3.3)
Nuclear Energy is about _________ times more energy dense than coal by mass.
3-4 Millioni
What is CRISPR primarily used for?
Gene editing
What does MLIDS stand for?
Mobile‑Low, Slow, Small Unmanned Aircraft Integrated Defeat System