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Science + Technology — Analysis and Comment

It’s only a small step forward before drones like this one could operate entirely autonomously. KAZ Vorpal/Flickr

Battle lines drawn around the legality of ‘killer robots’

The debate over whether lethal autonomous weapon systems (LAWS) -- often called 'killer robots' -- should be banned continues, although it's far from settled.
In the 1977 movie Star Wars, Princess Lea recorded a holographic message that was delivered to Obi Wan Kenobi. Screenshot from Star Wars/Lucasfilm/20th Century Fox

No more science fiction: 3D holographic images

Three-dimensional images you can see without special glasses have been created with a clever user of lasers and graphene.
Artist’s impression of NASA’s New Horizons spacecraft encountering Pluto and its largest moon, Charon. NASA/Applied Physics Laboratory/Southwest Research Institute

Let the people decide new place names on Mercury and Pluto

Who gets to name the craters and features on our planets was once an ad hoc affair. But now the public can have a say with just days left to vote.
Looking for dark matter in the galaxy collisions such as in Abell 2744, dubbed Pandora’s Cluster. X-ray: NASA/CXC/ITA/INAF/J.Merten et al, Lensing: NASA/STScI; NAOJ/Subaru; ESO/VLT, Optical: NASA/STScI/R.Dupke

Shedding new light on the search for the ‘invisible’ dark matter

Scientists know so much about dark matter apart from what it is exactly. But are they getting any closer?
Australia has a long history of world class science, but a national science strategy will help boost engagement with industry. Steve Dorman/Flickr

Why a national science strategy is good for Australia

The government's announcement of a national science strategy is good for Australia, particularly for promoting engagement between science and industry.
Children growing up in a world of social media are developing a very different conception of privacy to that of their parents. Ed Ivanushkin/Flickr

Online and out there: how children view privacy differently from adults

Many people are shocked by what children are willing to share about themselves online. Is it that they don't understand privacy, or just have a different conception of it compared to adults?