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Thanksgiving space dinners, threading Saturn’s rings and impossible warp drives

The gas giant Saturn revealed in all its splendour by NASA's Cassini spacecraft.


Originally published in The Conversation.

A licence to print: how real is the risk posed by 3D printed guns?

3D printed guns are back in the news after Queensland Police reported last week that they had discovered a 3D printer in a raid on what appeared to be a “large-scale” weapons production facility as a part of Operation Oscar Quantum.


Originally published in The Conversation.

A Galah to help capture millions of rainbows to map the history of the Milky Way

Untangling the history of the Milky Way. ESO/S Brunier, CC BY-SA

Our galaxy, the Milky Way, contains at least 100 billion stars.


Originally published in The Conversation.

Trump or NASA – who's really politicising climate science?

NASA has a long history of conducting climate science.


Originally published in The Conversation.

Pink balls in day-night cricket could challenge players at sunset

Cricket is a great game but it can be dangerous so anything that can reduce the potential risk to players in the game should be considered.

I have already raised my concerns over the use of the pink ball during day-night games played in Australia.

But now I believe it is important to raise legitimate concerns about playing with a pink ball at sunset.


Originally published in The Conversation.

Now we can edit life itself, we need to ask how we should use such technology

Taking the deadly bit out of mosquitoes. Flickr/Erik F Brandsborg, CC BY-SA

Imagine a world where mosquitoes no longer pass on the deadly malaria parasite, where invasive species such as


Originally published in The Conversation.

Facebook's accidental 'death' of users reminds us to plan for digital death

Not dead yet, Mark Zuckerberg on Facebook. Facebook screenshot

The accidental “death” of Facebook founder Mark Zuckerberg and millions of other Facebook users is a timely reminder of what happens to our on


Originally published in The Conversation.

Asking users to tag fake news isn't going to work if they don't know what it is

Fake News

Fake news is still very much the subject of the news at the moment. There is a growing realisation that there is very little that can be done to stop it.


Originally published in The Conversation.

Japan's latest tsunami reaction shows lessons learned from previous disasters

Parts of Japan were on tsunami alert today following a magnitude 6.9 earthquake off the east coast of the country.

This was the first real test for Japan since the 2011 earthquake which led to a deadly tsunami. The destruction led to a meltdown at the Fukushima nuclear power plant.


Originally published in The Conversation.

Less secrecy could help astronomy stop the bullying and harassment within its ranks

More needs to be done to protect people in astronomy from those who seek to abuse or harass others. Shutterstock/Allexxandar

Shocking allegations of bullying, harassment and sexual assault at CSIRO’s Astronomy and Space Sciences (CASS) division were revealed on Sunday by the ABC’s The Conversation.