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Articles sur Heat

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Bushfires and heatwaves are expected to increase and significantly impact on Australian cities and urban communities. AAP/Tracey Nearmy

Hot cities: the ‘smart’ response to urban heat threats

How well does the ‘smart’ city respond to the devastating scale and impact of urban heat threats such as bushfires and heatwaves?
The cover that trees provide transforms cities into much more hospitable places, especially in hot weather. AAP/Joe Castro

In a heatwave, the leafy suburbs are even more advantaged

Six years after Black Saturday, it’s worth remembering that heatwaves kill more people than bushfires do, so shade can be a life-saver. But tree cover and shade are not evenly distributed in cities.
Magnets have mysterious powers – now shown to influence heat and sound. Magnet image via www.shutterstock.com.

Magnetic fields can control heat and sound

Sound waves are made of particles called phonons. New research shows they’re affected by magnetic fields, with researchers able to steer heat magnetically.
If you’re not regularly active, extreme exercise and exercise in extreme heat is unwise. lzf/Shutterstock

Health Check: how to exercise safely in the heat

Exercise alone can be hard, but exercising in the heat is a whole lot harder. Put simply, this is due to the balance between how much heat the body generates and how much it is capable of losing.
Well, maybe it’s not quite this electrifying, but the prototype is pretty cool. Florian F. (Flowtography)/Flickr

Flat battery? New prototype turns waste heat into electricity

Picture a device that can produce electricity using nothing but the ambient heat around it. Thanks to research published in the Proceedings of the National Academy of Science today, this scenario is a…
Heat relief: on hot days, flying foxes - like this grey-headed flying fox - dip their bellies into water to cool down. Nick Edards

Killer climate: tens of thousands of flying foxes dead in a day

This summer we have seen one of the most dramatic animal die-offs ever recorded in Australia: at least 45,500 flying foxes dead on just one extremely hot day in southeast Queensland, according to our new…
Deep underground the coal is off - but the heat is still on. Ashley Dace

Underground water heat will aid bid to hit renewable targets

Solar and wind power rightly receive a lot of attention as we struggle to ramp up renewable electricity and move away from fossil fuels. But in a damp, blustery island such as ours, generating heat is…
Keeping the heat in the places you want it is the most important part of any heating plan. Wunkai/Flickr

How to heat your house efficiently

Winter is coming, and all across the southern states eyes turn to energy bills and minds towards how to make them smaller. What is the most efficient way to heat your house? As with anything to do with…
You’re no more likely to lose heat from your head than other parts of your body – except your hands and feet. Taylor Mackenzie

Monday’s medical myth: you lose most heat through your head

As the weather starts to cool down and winter clothes enter rotation in our wardrobes, some peculiar combinations emerge: shorts and scarves; thongs and jackets; T-shirts and beanies. The last is often…
The 2003 European heat wave caused 80,000 deaths at temperatures Australians usually experience in a regular summer. AAP

Could we acclimatise to the hotter summers to come?

Acclimatising to heat is a tough gig. Since 1970, central Australian regions have warmed 1.2ᵒC and as the world continues to get warmer, increasingly common and increasingly intense heat waves will make…

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