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Things Scientists Created That Most People Never Heard About. 1. . Nikola Tesla tried to send electricity through the air… without wires. 2. B.F. Skinner built a box… that could control behavior using rewards. 3. John B. Calhoun created a perfect world… that collapsed without any enemies. 4. Vladimir Demikhov combined two living systems… into one functioning body. 5. Jose Delgado used signal