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Articles on Density

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When water and boiling oil mix, the result can be explosive, as seen in this demonstration. U.S. Navy photo by Mass Communication Specialist 2nd Class Travis Alston/Released via Flickr

Why do frozen turkeys explode when deep-fried?

Deep-fried turkeys are delicious, but making one can be dangerous. The scientific reason for fiery Thanksgiving mishaps? A difference in the densities of ice, water and oil.
Cyclists ride along Lake Shore Boulevard East as road closures come into effect for the return of the ActiveTO program in Toronto in May, 2021. THE CANADIAN PRESS/Yader Guzman

Making ActiveTO permanent will make exercise accessible to everyone by providing open and safe space

ActiveTO and programs like it across the country create more urban public space for exercising and can remove a major barrier to physical activity: lack of open and safe space.
A market area in Dhaka, the Bangladeshi capital, crowded with people despite the coronavirus pandemic, May 12, 2020. hmed Salahuddin/NurPhoto via Getty Images

Megacity slums are incubators of disease – but coronavirus response isn’t helping the billion people who live in them

COVID-19 is spreading fast through not only the world’s richest cities but also its poorest, ravaging slum areas where risk factors like overcrowding and poverty accelerate disease transmission.
We’re used to hearing cries of “NIMBYism” and “money-hungry developers” on both sides of planning debates, but there’s actually more subtlety to interactions around urban planning that are worth exploring and understanding. Joel Carrett/AAP

Speaking with: Cameron McAuliffe on NIMBYs, urban planning and making community consultation work

Speaking with: Cameron McAuliffe on NIMBYs, urban planning and making community consultation work.
Dallas Rogers speaks with Western Sydney University's Cameron McAuliffe about leveraging conflict and informal processes in the urban planning process.
Without medium-density housing being built in the established suburbs – the ‘missing middle’ – the goals of more compact, sustainable and equitable cities won’t be achieved. zstock/shutterstock

Becoming more urban: attitudes to medium-density living are changing in Sydney and Melbourne

Residents of established middle suburbs are slowly coming round to the idea, but governments and the property sector lack the capacity to deliver compact cities that are acceptable to the community.
So much for context – authorities are allowing large out-of-place buildings in the higher-density retrofitting push. Linley Lutton

Retrofitted cities are forcing residents to live with planning failures – we’re due for a rethink

Planners wish to correct past errors by increasing densities, discouraging car dependency and mixing land uses. But imposing imported strategies on Australian cities is producing unhappy results.

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