the.com/bike
The only vehicle that makes you healthier the more you crash into using it right.
means A two-wheeled, pedal-powered vehicle you balance and steer by leaning, propelled entirely by your own legs.
from Short for 'bicycle,' from Greek bi- ('two') plus kyklos ('wheel, circle') — the same kyklos that gives us 'cycle.' The clipped form 'bike' showed up in the late 1800s once bicycles became common enough to need a casual nickname, the word wearing down the way popular things do.
- efficiency record
- most energy-efficient mode of transport ever devised, beats walking
- etymology
- short for bicycle, from Latin bi plus Greek kyklos, two circles
- global count
- over a billion exist, more than cars on Earth
- physics quirk
- stays upright partly from steering geometry, not just spinning wheels