National Security Journal on MSN
The U.S. Air Force’s Mach 2 B-58 Hustler Bomber ‘Mistake’ Still Stings
The B-58 Hustler was the world’s first operational Mach 2 bomber, built when the Air Force believed speed and altitude could outrun Soviet defenses. -Entering service in 1960, it paired a slim delta ...
Combining physical and virtual manipulatives gives students the ability to concretely model things in the real world.
aDepartment of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, USA bStead Family Department of Pediatrics, Roy J. and Lucille A. Carver College ...
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