4 ms·Coming up next: why stepping on a piece of Lego hurts so much.by nahumfarchi 10y agoComing up next: why stepping on a piece of Lego hurts so much.droidist2 10y agoOr an DC adapter sticking upwards!amyjess 10y agoOr, for that matter, a d4. Turns out that pressure = force / area means that things are really painful when area is tiny.