Motivation Solution on Instagram: "In 2008, Japanese researchers at Nagoya University conducted a controlled experiment to demonstrate how traffic jams can form without any visible cause, a phenomenon known as a “phantom traffic jam.” They placed 22 vehicles on a circular track and asked drivers to maintain a constant speed. Despite no obstacles or lane changes, small variations in speed naturally amplified over time, eventually creating a self-sustaining stop-and-go wave—just like what’s seen o