the.com/swingset
A backyard machine that converts childhood energy into physics and skinned knees.
means An outdoor play structure with hanging swings, usually plus a slide, built for kids to launch themselves skyward.
from Plain English compound: a set of swings. The swing comes from Old English swingan, to beat or fling, the same word once meant to strike.
Pendulum truthA swing is a pendulum you power yourself.
Loop mythFull 360 loops are nearly impossible for kids.
Safety zoneModern designs require soft fall surfaces underneath.