Physics textbooks: "Ignore air resistance for simplicity." Road cyclists: *spends $3000 on aerodynamic equipment to save 0.02 seconds*
The sport touring cyclist lives in blissful ignorance while the road bike enthusiast has been warped by the dark knowledge that at high speeds, up to 90% of your energy goes into fighting invisible air molecules! Those sleek helmets and hunched-over positions aren't fashion statements—they're desperate attempts to cheat the cruel equations of fluid dynamics!