Currency
Bitcoin's popularity unlikely to last, investment firm says
Gerrit De Vynck Bitcoins probably won't become a popular method of exchange as competing "crypto-currencies" crowd the market, confusing merchants and sending them back to credit cards and cash, investment firm Offit Capital says.
Watchdog eyes fake online reviews
BEN GRUBB Competition watchdog turns spotlight onto fake online reviews, releasing a new set of guidelines and reminding companies it can fine them.
Tech: Dawson slams Twitter over 'disturbing' images
Currency: Man searches landfill for $7.9m bitcoin fortune
Currency: Bitcoin top $1000 as virtual money gains popularity
Sci-tech: On the trail of universe's darkest secret
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Tech
Amazon testing drones for delivery, Jeff Bezos says
Pui-Wing Tam CEO says Amazon is testing drones to deliver goods to improve efficiency and speed.
Sci-tech
Zeppelins poised to make a comeback
Firat Kayakiran and Thomas Biesheuvel With better designs and a buoyant gas that can't ignite, zeppelin and airship makers say they're negotiating their first sales.
Sci-tech
'I don't know whether it's a bomb or not': Train driver flummoxed after drone hits Sydney Harbour Bridge
Colin Cosier A 'mystery drone' crashed into the Sydney Harbour bridge and landed on the train tracks below. Extraordinary footage from the drone shows what happened next.
Sci-tech
Comet ISON probably did not survive Sun skirmish
Jean-Louis Santini Comet ISON seems to have perished in a much too-close encounter with the Sun, leaving only a dust trail that will disappear over time, astronomers say.
Astronomy
We'd be lost without the sextant
Perry Vlahos Younger readers may not have even heard of this remarkable instrument, let alone know its purpose.
Robot
Jellyfish inspire flying-robot design
Amina Khan Researches designed a flying jellyfish-like robot that uses four flapping wings to stay aloft.
Tech
If it looks like a tech bubble and floats like a tech bubble ...
Nick Bilton It sounds like heresy. But here goes: Is this another tech bubble?
Sci-tech
Cicada 3301: the internet code-breaking mystery that has the world baffled
Chris Bell For the past two years, a mysterious online organisation has been setting the world's finest code-breakers a series of seemingly unsolvable problems. But to what end?
Tech
Facebook's Mark Zuckerberg says US 'really blew it' on surveillance
Michelle Jamrisko and Todd Shields The US government "really blew it" on conducting surveillance programs, Facebook CEO Mark Zuckerberg says.
Blogs & Columns
Gadgets on the go
Hands on: Kogan Agora Smart TV HDMI Dongle
Adam Turner 10:18am Android on your television sounds promising, but this still may not be the lounge room Droid you're looking for.
Screen Play
The Razer Blade 14: Sexiest gaming laptop ever
James Dominguez 5:47am It may be the size of a general purpose netbook, but the Razer Blade 14 packs a huge amount of video gaming power into a very sleek package.
Bleeding Edge
Gear up for clean fun
We're aware of certain quaint seasonal rituals - one of which seems to kick in around September.
Imaging
Calendar keeps it local
Why not give your nearest and dearest Christmas presents that are not made in China?
Gaming
One for all, and all in one
The next generation of games consoles are designed to be central home-entertainment hubs.
Astronomy
Eye in the sky still wide open
Which city had the largest steerable telescope in the world during the late 1800s?
