Today, we're diving into a force that's constantly at play, yet often goes unseen: the resistance of fluids as we move through them.

Think about it: a cyclist hunkered down in an aggressive aero tuck, seemingly battling an invisible wall. A swimmer, slicing through the water with effortless grace. Or a baseball pitcher, making a fastball dip and curve through the air with seemingly supernatural control. What's the invisible force constantly acting against these incredible athletes? It's the very air or water they're moving through.