Science In Public
Science writers, communicators, media, training, and public relations
Kirrawee High School has a rich history in sport and music. Its alumni include six Olympic athletes and several leading musicians. Today, thanks to the work of Brett McKay over the past twenty years, Kirrawee has become a force in science education as well.
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[Read more…] about Photos: 2017 Prime Minister’s Prizes for Science
Cocoa is currently a major livelihood provider for farming families across Indonesia. The supply chain supports more than 400,000 smallholder families, as well as enterprises and services. The crop also provides essential products for international export, including to Australia.
[Read more…] about Renewable ‘alternatives’ cheapest option for Australia, Indonesia
Macquarie University is pleased to announce the appointment of Professor Dali Kaafar as Scientific Director of the Optus Macquarie University Cyber Security Hub.
Prof Kaafar will move from CSIRO Data61 on 3 October 2017.
“It is a pleasure to appoint Prof Kaafar who is regarded worldwide as one of the leaders in cyber security, in particular regarding data privacy issues,” says Dr Christophe Doche, Executive Director of the Cyber Security Hub.
“Privacy is a fascinating and important research area as it cuts across fields of information technology, business, law, criminology, psychology, and ethics,” he says. “This research topic is thus very well aligned with the philosophy of the Cyber Security Hub, which is to tackle cyber security issues with an interdisciplinary mindset. Privacy-preserving technologies are key to enable collaboration amongst organisations and to foster private and confidential data-sharing for wider and more powerful cyber security approaches.”
Science paper Friday, 15 September 2017
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Wastewater, tourism, and trade are moving microbes around the globe at an unprecedented scale. As we travel the world we leave billions of bacteria at every stop.
As with rats, foxes, tigers and pandas, some microbes are winners, spreading around the world into new ecological niches we’ve created. Others are losing, and might face extinction. These changes are invisible, so why should we care?
“Yes, our survival may depend on these microbial winner and losers,” say a team of Australian, Chinese, French, British and Spanish researchers in a paper published in Science today.
“The oxygen we breathe is largely made by photosynthetic bacteria in the oceans (and not by rainforests, as is commonly believed),” says Macquarie University biologist Michael Gillings.
[Read more…] about Microbial mass movements: the millions of species we ignore at our peril
And feature story by lead author Ian Wright for The Conversation here.
A global team of researchers have cracked the mystery of leaf size. Their research was published today as a cover story in Science.
Why is a banana leaf a million times bigger than a common heather leaf? Why are leaves generally much larger in tropical jungles than in temperate forests and deserts? The textbooks say it’s a balance between water availability and overheating.
But it’s not that simple.
The research, led by Associate Professor Ian Wright from Macquarie University, reveals that in much of the world the key limiting factor for leaf size is night temperature and the risk of frost damage to leaves. [Read more…] about The mystery of leaf size solved
Macquarie University congratulates its winners in the 2017 Australian Museum Eureka Prizes and the winner of the Macquarie University Eureka Prize for Outstanding Early Career Researcher.
High-power lasers have many potential applications: from medical imaging to manufacturing, shooting down drones or space junk, or powering deep space probes. But current laser technologies overheat at high power.
Rich Mildren and his team have developed a technique to make diamond lasers that, in theory, have extraordinary power range. Five years ago, their lasers were just a few watts in power. Now they’ve reached 400 watts, close to the limit for comparable conventional lasers.
Rich Mildren won the Defence Science and Technology Eureka Prize for Outstanding Science in Safeguarding Australia.
High-power lasers have many potential applications: from medical imaging to manufacturing, shooting down drones or space junk, or powering deep space probes. But current laser technologies overheat at high power.
Rich Mildren and his team have developed a technique to make diamond lasers that, in theory, have extraordinary power range. Five years ago, their lasers were just a few watts in power. Now they’ve reached 400 watts, close to the limit for comparable conventional lasers.
Their calculations suggest that their diamond laser technology could handle over a thousand times the current power. They’ve also shown that they can use diamond to focus multiple laser beams into a single beam. And they can create almost any frequency of light.
Diamond is an outstanding optical material and exceptionally good at dissipating heat. But it’s not very good at generating a laser beam as its dense structure makes it difficult to introduce the impurity additives normally needed to amplify light. Until now.
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