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Wednesday, November 25, 2020
not one but two aussie dishes were used to get the tv signals back from the apollo 11 moonwalk

Not one but two Aussie dishes were used to get the TV signals back...

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US astronaut Neil Armstrong on the Moon during the Apollo 11 mission. NASA The role Australia played in relaying the first television images of astronaut Neil Armstrong’s historic walk on the Moon 50 years...
How Research is helping reduce prejudice Header

How research is helping to reduce prejudice between people online

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When individuals from different groups interact positively and cooperate online, society changes for the better. rawpixel/Unspalsh The internet often gets a bad rap, and for good reason. Social media use can contribute to poorer mental health...
what is a virus? how do they spread? how do they make us sick?

What is a virus? How do they spread? How do they make us sick?

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NIAID Rocky Mountain Laboratories (RML), U.S. NIH, CC BY-SA Viruses are the most common biological entities on Earth. Experts estimate there are around 10,000,000,000,000,000,000,000,000,000,000 of them, and if they were all lined up they would stretch from one side...
cryptology from the crypt: how i cracked a 70-year-old coded message from beyond the grave

Cryptology from the crypt: how I cracked a 70-year-old coded message from beyond the...

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The American Survival Research Foundation offered a reward of $1,000 for cracking one of Thouless’s two codes within three years of his death. It was not claimed. Shutterstock.com In recent weeks I managed to decrypt...
Oumuamua Header

Evidence of aliens? What to make of research and reporting on ‘Oumuamua, our visitor...

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An artist’s impression of `Oumuamua, the first interstellar object discovered in the Solar System.  ESA/Hubble, NASA, ESO, M. Kornmesser As an astrophysicist, probably the most common question I get asked is: “Are we alone in...
Footprints on the Moon cemetries on Mars header

Footprints on the Moon and cemeteries on Mars: interview with space archaeologist Alice Gorman

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Perhaps in 50 more years we will be sick of hearing stories from people who have travelled to the moon and back.  tdlucas5000 / AAP Alice Gorman is a space archaeologist working on space junk...
explainer: what happens when magnetic north and true north align?

Explainer: what happens when magnetic north and true north align?

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Very rarely, depending on where you are in the world, your compass can actually point to true north. https://www.shutterstock.com At some point in recent weeks, a once-in-a-lifetime event happened for people at Greenwich in the...

Raw meat pet food may not be good for your dog, or your own...

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Be careful what you feed your dog. Shutterstock/fetrinka You might think raw meat pet food is good for your dog. But a new study, published yesterday in Vet Record, has found it can have high...

A deadly fungus threatens to wipe out 100 frog species – here’s how it...

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The horned land frog (Sphenophryne cornuta) carries babies on its back New Guinea must be protected from the deadly chytrid fungus, or we could see around 100 frog species be wiped out. Author provided...
Better photos on your smartphone

How to take better photos with your smartphone, thanks to computational photography

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A light-trails long exposure of London’s Tower Bridge, shot on iPhone8Plus using the NightCap app. Rob Layton, Author provided Each time you snap a photo with your smartphone – depending on the make and model –...