Kidical Mass
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Kidical Mass (sometimes Kiddical Mass) is an organised
bicycle A bicycle, also called a pedal cycle, bike, push-bike or cycle, is a human-powered transport, human-powered or motorized bicycle, motor-assisted, bicycle pedal, pedal-driven, single-track vehicle, with two bicycle wheel, wheels attached to a ...
ride for children, often using public roads in towns and cities. The rides are free of charge and open to all, with adults acting as safety marshals. Unlike
Critical Mass In nuclear engineering, critical mass is the minimum mass of the fissile material needed for a sustained nuclear chain reaction in a particular setup. The critical mass of a fissionable material depends upon its nuclear properties (specific ...
, the route is planned in advance. Rides are usually between 2 and 5 miles long and may have feeder rides to reach the starting point.


History

The name 'Kidical Mass' is a
pun A pun, also known as a paronomasia in the context of linguistics, is a form of word play that exploits multiple meanings of a term, or of similar-sounding words, for an intended humorous or rhetorical effect. These ambiguities can arise from t ...
on the
Critical Mass In nuclear engineering, critical mass is the minimum mass of the fissile material needed for a sustained nuclear chain reaction in a particular setup. The critical mass of a fissionable material depends upon its nuclear properties (specific ...
cycling event and '' meaning 'child'. The name was first used for a ride in
Eugene, Oregon Eugene ( ) is a city in and the county seat of Lane County, Oregon, United States. It is located at the southern end of the Willamette Valley, near the confluence of the McKenzie River (Oregon), McKenzie and Willamette River, Willamette rivers, ...
which took place 18 April 2008. Kidical Mass rides now take place in cities around the world. International action weekends take place twice a year, in May and September (the latter around World Car Free Day on 22 September).


Purpose

Kidical Mass rides are an opportunity for children to practise riding on public roads and cycling paths, taking advantage of visibility and
safety in numbers Safety in numbers is the hypothesis that, by being part of a large physical group or mass, an individual is less likely to be the victim of a mishap, accident, attack, or other bad event. Some related theories also argue (and can show statistica ...
. They create awareness of children's mobility rights and promote the idea that kids should be able to go by bike to school or to their leisure activities. While connecting and uniting children and their parents, Kidical Mass rides are often also considered protests calling for safer cycling infrastructure.Simon Weedy,
'Kidical Mass' sees child cyclists take to the streets across Europe
''Child in the City'', 26 May 2022.


References


External links


Kidical Mass
(United States)
Kidical Mass/Kinder aufs Rad
(Germany, Europe and beyond)
Kidical Mass Brussels
(Belgium)


See also

*
Bike bus A bike bus, also known as a bike train or a cycle train, or cycle bus is a group of people who Bicycle, cycle together on a set route following a set Public transport timetable, timetable other than for sporting purposes. Cyclists may join or l ...
, a regular ride with a set route *
Critical Mass In nuclear engineering, critical mass is the minimum mass of the fissile material needed for a sustained nuclear chain reaction in a particular setup. The critical mass of a fissionable material depends upon its nuclear properties (specific ...
, a cycling protest {{Cycling Cycling activism Cycling events Recurring events established in 2008 Youth empowerment Youth events