Home BIZ/TECH/FINANCE SCIENCE/TECHNOLOGY

SCIENCE/TECHNOLOGY

My Health Record: Deleting personal information from databases is harder than it sounds

Federal Health Minister Greg Hunt has announced that the My Health Record system will be modified to allow the permanent deletion of records. Shutterstock Since the period for opting out of My Health Record began on July 16, experts in health, privacy and IT have raised concerns about the security and privacy protections of the system, and the legislation governing...

What’s wrong with big solar in cities? Nothing, if it’s done right

Residents near big solar projects are often concerned they cause glare and noise. Electrical and Mechanical Services Department Headquarters rooftop solar, Hong Kong/Wikimedia Commons Many of us are familiar with developments of big solar farms in rural and regional areas. These are often welcomed as a positive sign of our transition towards a low-carbon economy. But do large-scale solar installations have a place...

Technology is making cities ‘smart’, but it’s also costing the environment

A smart city is usually one connected and managed through computing — sensors, data analytics and other information and communications technology. from shutterstock.com The Australian government has allocated A$50 million for the Smarter Cities and Suburbs Program to encourage projects that “improve the livability, productivity and sustainability of cities and towns across Australia”. One project funded under the program is installation of temperature,...

Let the light shine on super-fast wireless connections

Light can be used as a high-speed form of wireless communication. Shutterstock/ra2studio We live in a world of wireless communications, from the early days of radio to new digital television, Wi-Fi and the latest 4G (soon to be 5G) connected smart devices. But there are limits to this wireless world. With the prediction of 12 billion mobile-connected devices by 2021 and a...

Discovered: a huge liquid water lake beneath the southern pole of Mars

Mars’ south polar cap, as seen from Mars Global Surveyor.Buried beneath, we now know, is a lake of liquid water.  NASA/JPL/MSSS We now know that there is permanent liquid water on Mars, according to a paper published today in the journal Science. This new finding comes from research using the Mars Express spacecraft that has been orbiting the red planet since December 25, 2003. One of...

Technology doesn’t have to be lonely: encouraging dialogue over diatribe

Almost four in 10 millennials spend more time on their smartphones than they do engaging with people in real life. Mavis Wong Do you ever feel like when you post to Facebook, you’re publishing into a void where nobody is listening? You’re not the only one. A recent study reported that Australians are lonelier and more depressed due to technology – and it’s making...

Red sky at night, shepherd’s delight: the science of beautiful sunsets

If you live in a place where the weather moves west to east, then an old proverb could help you predict the weather.  TimOve/flickr “A red sky at night is a shepherd’s delight! A red sky in the morning is a shepherd’s warning.” Perhaps this saying came to mind if you caught a spectacular sunrise or sunset recently. patriciacarmenbernard Another magical...

A long fuse: ‘The Population Bomb’ is still ticking 50 years after its publication

Slums like this one in Rio de Janeiro embody the problems Paul Ehrlich warned of in ‘The Population Bomb.’ “The battle to feed all of humanity is over,” Stanford biologist and ecologist Paul Erhlich declared on the first page of his 1968 best-seller, “The Population Bomb.” Because the “stork had passed the plow,” he predicted, “hundreds of millions of...

The science and art of reef restoration

Silent Evolution by Jason deCaires Taylor. Taylor makes sculptures and sinks them beneath the sea to create artificial reefs.  © Jason deCaires Taylor Coral reefs around the world are in crisis. Under pressure from climate change, overfishing, pollution, introduced species and apathy, coral colonies and fish communities are steadily deteriorating. Coral cover in the Great Barrier reef has declined by an alarming...

It’s a busy night sky this July, so make sure you look up

The Blood Moon from January 31, 2018. Our second chance to see an eclipsed Moon this year is coming up on July 28.  Martin George, Author provided The next fortnight will be a real treat for stargazers - there are five planets to see in the evening sky, Mars is looking the best we’ve seen in 15 years, and on the...

Enjoy shopping with TAGG Dismiss