Zoran Ristovski

The air up high is just really bad at ‘holding’ onto the radiation coming from the Sun, and the warmth passes straight through it on its journey toward the ground. Kevin Spencer/flicr

August 6, 2019

Curious Kids: why is air colder the higher up you go?

Zoran Ristovski, Queensland University of Technology and Branka Miljevic, Queensland University of Technology

It helps if you imagine the ground here on Earth as a big heater. It keeps us warm, and if you move away from the heater you feel cold.

Emissions from real-life urban driving can be much higher than advertised. AMPG/Shutterstock.com

October 26, 2017

Australia still lags behind in vehicle emissions testing

Zoran Ristovski, Queensland University of Technology and Nic Surawski, University of Technology Sydney

Australian vehicles have been accused of creating more emissions than their manufacturers advertise. But are Australian testing standards up to scratch?

It’s the software that controls how VW’s diesel engines perform. EPA/Patrick Pleul

October 9, 2015

The VW scandal exposes the high tech control of engine emissions

Ben Mullins, Curtin University; Richard Brown, Queensland University of Technology, and Zoran Ristovski, Queensland University of Technology

Computers control much of an engine’s performance these days. And it’s surprisingly easy to tweak the software to bypass emissions controls, as done by Volkswagen.

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Curious Kids: why is air colder the higher up you go?

Australia still lags behind in vehicle emissions testing

The VW scandal exposes the high tech control of engine emissions

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