NASA, SpaceX and Blue Origin have all successfully launched superheavy-lift rockets. These massive vehicles are designed to carry a much heavier load.
Articles on Electromagnetic spectrum
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The satellites the world relies on for navigation, communication and more get their bearings from distant black holes – but radio noise is blurring the picture.
Mars isn’t a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially from afar.
Black doesn’t appear in the visible spectrum of electromagnetic radiation. So why do we still see it?
Humans can’t see ultraviolet light – but lots of other animals can.
Your brains can perceive some electromagnetic waves – but not without your body’s help.
Radiation really is everywhere – and it’s not at all as spooky or dangerous as we often think.
Airplanes use radio waves to determine how far off the ground they are. New 5G cellphone services come close to the same frequencies the airplanes use. Here’s how that can be a problem.
The UV index measures how much UV radiation is around and how much damage it’s likely to do to your skin.
Despite the name, some black holes effectively “shine” as they suck up nearby material with such force that it begins to glow. New research reveals a new method for detecting these active black holes.
Wi-Fi has become a fundamental part of modern digital life, but its foundation is the same as the technology that allowed your great-grandparents to listen to their favorite radio programs.
As if attacks on health workers weren’t upsetting enough, reports indicate broadband engineers are now also being abused - as conspiracy theorists link 5G technology with to COVID-19’s spread.
By understanding how bushfire maps are created, and what their features represent, you can get better at spotting fake ones.
Free space optical communication will allow the same connectivity in space we already have on Earth. And this will provide benefits across a number of sectors.
We live in a world of wireless communication, but there are limits to what existing technologies can offer. The search is on for any new method of wireless connectivity.
The galaxies, stars and planets in our universe can look very different when you view them through equipment that sees beyond the visible light our eyes can see.
Until the recent observation of merging neutron stars, how the heaviest elements come to be was a mystery. But their fingerprints are all over this cosmic collision.
Top contributors
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Director Radiation Research and Advice, Australian Radiation Protection and Nuclear Safety Agency (ARPANSA), and Adjunct Associate Professor, University of Wollongong
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Professor of Physics, Syracuse University
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Professor, The University of Melbourne
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Professor of Electrical and Electronic Engineering and Deputy Dean Research at Faculty of Engineering and Information Technology, The University of Melbourne
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Associate Professor in Astronomy, Monash University
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Associate Dean, Diversity and Inclusion, The University of Melbourne
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Astrophysics PhD Candidate, The University of Western Australia
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Professor of Information Sciences and Technology, Penn State
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Research Fellow in Ecology and Evolution, University of Sussex
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Senior Research Scientist, CSIRO
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Assistant Professor, George Mason University
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Research Fellow, La Trobe University
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Senior Astrophysicist, Smithsonian Institution
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Research Fellow in Astronomy, The University of Western Australia
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Research Professor, Adelaide University