The last paper of the extraordinary Thesis of my student (now Dr!) Grace Lawrence focussed on the challenges of dark matter detectors on Earth (particularly those like the SABRE project I have been involved in for many years). We have a simple picture in mind in which the dark matter is a cloud within which the galaxy (and our own Sun!) turns, meaning from the perspective of the Solar System there is a constant ‘wind’ of dark matter rushing towards us - which is our motion through it - familiar to anyone who has put their hand out of the car window and felt that wind even on the stillest of days. The issue is that we have many ‘gusts’ in that wind of dark matter as it is far from a smooth and still cloud of particles and instead has a history of cannibalised galaxies that retain their clumpy structure in the dark matter streams to this day drastically complicating the interpretation of any future discovery!
Read More
How do you measure distances in space? There’s no tape measure to stretch between the stars of course, but instead there are a series of techniques that work over ever increasing distances with one technique handing over to the next - the first rung on that distance ladder is Parallax (I once tried to explain this live on national Breakfast TV!) and my student Mitchell Dixon has just published a definitive study on that technique as it maps to the next rung of a special class of stars known as Tip of the Red Giant Branch (TRGB) stars which have a known (or at least calibrated!) brightness that depends on how rapidly the brighten and fade.
Read More
It was an honour to brief US Ambassador Caroline Kennedy and Consul General Christine Elder on the myriad industry, education, and workforce opportunities in the space sector for our two nations of Australia and the USA, as part of the AmCham Australia Space Committee. On a personal as well as professional level, this was a highlight..! You could say I was over the Moon with this meeting.
Read More
You're looking at Swinburne University of Technology's new Pro Vice Chancellor, Flagship Initiatives 🙌The PVCFI is a new role tasked with driving large and ambitious transdisciplinary research across our flagship research areas by actively engaging with external organisations (including government, industry, NGOs) to identify large-scale opportunities that require university-wide collaboration and the formation of coalitions of universities and partners.
Read More
A gigantic study by my student Matt Shaw on how we might access the resource of the Moon - a technique known as InSitu Resource Utilisation (ISRU) - can take advantage of the conditions of the Moon itself. In particular, the fact that we have a vacuum that changes the way in which the metals might evaporate out of the soil of the Moon (called regolith) in a way different to that on Earth, and very much in a way that might help us access iron for future building!
Read More
Our Universe is expanding, and indeed accelerating in that expansion, and primary means to that discovery last century was measuring the apparent brightness of exploding stars known as supernovae. A special kind of supernova explodes at (almost!) the same brightness, known as Type 1a, and hence if you measure that brightness you can figure out how far away they are relative to each other. My student Mitchell Dixon published an exhaustive analysis of how to better calibrate that brightness of the Type 1a supernovae, in particular showing that they depended on the dust in the galaxy (slightly dimming them, or else perhaps causing a slightly different explosion brightness).
Read More
This work led by the ANU’s Dr Roland Crocker and an absolutely gigantic list of the best and brightest in astronomy - with my student Thomas Venville proudly holding his head high amongst such giants - explored all the evidence we had from Fermi and found that sadly the signal from these pulsars can reasonably explain this… there is a hint of more but at this stage, we must be conservative and presume that this is the case for other such signals in more distant galaxies too. The search for the dark matter signal continues!
Read More
It was a thrill to join The Project on the desk to share the news of NASA’s DART Mission making history as they successfully intercepted an asteroid demonstrating that we can deflect a potential Earth-colliding one in future through an impact with a spacecraft.
Read More
I spoke to Australian space pioneer Dr Chris Boshuizen at the Powerhouse Museum about his efforts in space… from a small country town, to co-founding Planet Labs (now the largest Earth Observing satellite fleet in history) to provide open and accessible satellite-based planet monitoring (if you have used Google Maps, you’ve used his company’s images!) and then fulfilling his lifelong dream of space travel onboard the second Blue Origin New Shepard flight in October 2021, making Chris the third Australian in space
Read More
An exhaustive study by the amazing Swinburne PhD student Matthew Humbert into creating a more accurate framework for exploring the extraction of desired metals from lunar regolith (i.e. the Moon’s soil) that might support future astronauts exploring the Solar System.
Read More
It was an incredible honour to host the inaugural Australian Space Summit held in Sydney, bringing together inspiring industry leaders to share with colleagues nationwide the tools and strategies to break into the domestic and global supply chain. I can’t wait for next year!
Read More
The final published work from my PhD student Adam Batten’s excellent Thesis centred around the use of the enigmatic, and very much still unknown, Fast Radio Bursts (FRBs) as probes of the nature of the galaxies they shine through.
Read More
The precious metals used in our smartphones were forged in dying stars and mined from the Earth at enormous cost, so we aren’t getting any more of them! Yet there are over 4 million unused or broken mobile phones gathering dust in our homes and businesses representing a huge stockpile of valuable materials and metals that can be reclaimed through recycling with MobileMuster in their Go For Zero campaign this year.
Read More
Questacon is the national science and technology centre and an absolute treat to get to spend a day visiting but the questions I was asked when there were so tough! What would you have answered?
Read More
After years of work from teams worldwide, we are finally nearing the completion of the deepest underground physics laboratory in the Southern Hemisphere all searching for dark matter!
So it was a double thrill that I could take one of Australia's biggest shows - Network 10's #TheProjectTV - on a tour of this Stawell Underground Physics Laboratory
Read More
he incredible Gaia spacecraft has been monitoring the almost imperceptible drift of the stars in our Milky Way for the last decade, allowing us to measure their exact 3D position using the powerful parallax method. Yet even these measures can be improved in time as this work by Swinburne’s Dr Chris Flynn shows.
Read More
ncreasing amounts of space debris are nearing a critical point, where unavoidable collisions will cause more debris, in a disastrous chain reaction that will make space inaccessible to us. This has been termed the Kessler Syndrome. Once the cascading collisions begin, they cannot be stopped.
As I explain in this thought piece for the The Age, Australia has an important role in this global issue as we monitor vast skies with space technologies that few others in the Southern Hemisphere have.
Image by ESA
Read More
I’m beyond thrilled to celebrate our Space Institute PhD student Matt Shaw and his incredible win at the 3MT APAC international finals. Against entries by 54 universities from around the region his work on mining the moon to provide metals for constructing moonbases (seriously how cool is his Thesis) was found the most engaging - considering you have just Three Minutes(!) to explain three years of work, his efforts to connect with the audience are nothing short of amazing
Read More
When it comes to mining the Moon, and how best to extract those critical resources, for fuelling our further exploration of the Solar System this massive review paper will be seen as a critical resource itself! Incredibly work by Matthew Shaw and Matthew Humbert, two doctoral candidates within the Extraterrestrial Resource Processing group led by Profs Geoff Brooks and Akbar Rhamdhani, at Swinburne’s Space Technology and Industry Institute.
Read More
Incredible news as one of the largest Federal Government’s Modern Manufacturing Initiative grants ($2.325M from Gov, for a total expenditure of $4.65M) is awarded to Titomic and Swinburne!
Read More
