Tractrices, bicycle tire tracks, hatchet planimeters, and a 100-year-old conjecture

Mathematics

• Initial Position 100%
• Approximates 50%
• Simple Model 50%
• Circle 50%
• Oval 50%
• Elliptic Type 50%
• Parabolic Type 50%
• Hyperbolic Type 50%

Engineering

• Initial Position 100%
• Front Wheel 100%
• Simple Model 50%

Keyphrases

• Circle Map 50%
• Plane Domains 50%
• Mechanical Device 50%