![Optus' new network will provide faster internet connection speeds to compatible handsets, which will release this year.](/web/20170223020621im_/http://www.smh.com.au/content/dam/images/g/u/i/m/u/m/image.related.wideLandscape.460x259.guimos.png/1487738450821.jpg)
Optus switches on 4.5G mobile network
Macquarie Park in Sydney is the first suburb getting access to Optus' new 4.5G network, which is capable of 1.03Gbps maximum theoretical download speeds.
Macquarie Park in Sydney is the first suburb getting access to Optus' new 4.5G network, which is capable of 1.03Gbps maximum theoretical download speeds.
We brought the world wi-fi, black box flight recorders, cochlear implants and dual-flush toilets, but a new report shows Australia isn't tracking well against other nations.
Small and medium sized businesses need to think global from the start to fulfil their promise of jobs growth acceleration, according to the NSW government.
Despite a 99 per cent failure rate and a recent setback, Alzheimer's researchers are plowing ahead with hundreds of experiments - and a boost in US federal money - to try to crack a deadly disease that has flummoxed them for decades.
Snap, maker of Snapchat, has file documents for its sharemarket float, the first social media IPO since Twitter three years ago. It could turn its boss Evan Spiegel and supermodel fiancee Miranda Kerr into one of the world's richest young couples.
Small shopfront accountants nationwide are worried about the end of the traditional tax return.
Cancer treatment company Sirtex has become the latest target of a class action law suit, the third within a week.
Always an innovator, Tesla founder Elon Musk has asked the public for help in rewriting Donald Trump's controversial immigration bill.
Regulators are struggling to keep up with the rapid growth of Australia's 'sharing economy'.
Analysts find value in smaller players, despite a rough few months for the sector.
Some minority investors are querying whether GoCatch has a future and whether it has squandered a first mover advantage.
What will happen to Turnbull's innovation agenda with this third minister in as many years?
Uber will share its data - starting with Sydney, Manila, Washington and Boston - in a bid to make good with city planners.
Automakers, tech companies and glass manufacturers are teaming up to turn the iPhone display into a car windshield that can show ads, directions and vehicle information to the person behind the wheel.
Kimbal Musk - Elon's brother - just opened a shipping container farm compound in New York City.
Toyota Motor plans to spend years designing cars in which people retain a large measure of control, since the goal of turning all driving decisions over to computers seems too dangerous for now.
We'll be driving more, using electric cars, along with more renewable energy - and nuclear energy over the next 25 years. But our addiction to coal will remain, while gas will emerge as our main source of energy.
Robot K-2SO is the undisputed star in Star War's latest installment , outacting the actors - a sign of things to come in our automated economy?
Amazon is exploring the use of giant airships to serve as mobile, flying warehouses that could help the online retail giant deliver more of its goods by drone.
TaskRabbit was founded in 2008 with a big idea. On the company's website and app, people make money by assembling strangers' Ikea furniture or cleaning their bathrooms
The embattled stem cell biotech has seen a major US drug company becoming a cornerstone investor and taking an option over two of its main products.
Corporate jargon becomes more bizarre each year.
Gilman Wong has been forced to step aside as chief executive of cancer treatment outfit Sirtex Medical following shareholder demands for an investigation into the sale of shares two months ago.
Michael J. de la Merced contributed reporting.
Cancer treatment group Sirtex Medical was questioned by the stock exchange over weak sales a week before the company confirmed that sales growth had all but disappeared.
The warning signs were there for all to see ahead of a trading update last week that slashed hundreds of millions of dollars off the market worth of biotech outfit Sirtex.
Hate doing laundry? This Laundroid doesn't only wash and dry garments, but also sort, fold and neatly arrange them. Now its Japanese inventor has won $71 million from investors including Panasonic, and is preparing to take the business public.
At 26, John Collison, the co-founder of online payments service Stripe, has become the world's youngest self-made billionaire, according to Forbes.
James Packer's Israeli secret is not so secret any more, with Australian business people flocking to Israel in unprecedented numbers to learn about the "Start-up Nation".
What's worse, a phone that explodes in your face or a drone that falls from the skies?
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