* Posts by Sorry that handle is already taken.

1404 posts • joined 19 Jun 2009

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Chap mines Bitcoin with PUNCH CARDS and ancient mainframe

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Re: Duh!

Is an impracticable car one that can't even be built?

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Thumb Up

There's some nice irony in there considering the de facto use cases for bitcoin.

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Well. Makes about as much sense as anything else to do with bitcoin.

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PANIC! RSA keys are compromised!

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Mircea Popescu

If it's the same Mircea Popescu, the guy seems to be a bit of a nutbar.

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KA-BOOM! Russian rocket EXPLODES over Siberia minutes after lift-off

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Neither's the oxidiser for that matter.

The first two stages and thus about 85-90% of the propellant had already burned out, and the disintegration on re-entry (if it hadn't come apart sooner due to the failure or a self-destruct order) should have allowed most of the remaining propellant to mix.

Also, it should disperse pretty well at that altitude!

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Re: Oh dear

SpaceX has only sent 18 Falcon 9s into orbit. Anyone who claims to be confident of those odds is probably lying.

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Apple HomeKit: DELAYED until JUNE, mumble Cupertino spinners

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But it's autumn here already

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Pakistan URINE STORM: Google Maps chokes off user editing

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Re: TTC

Surely most games have a negative TTC?

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Hey! Want a FREE TOASTER that makes BITCOIN? What? You DO?

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Re: Where does the electricity go?

YMMV, depending on your numbers.

Indeed. Here where electrons cost only 1.7x as much per unit energy as gas, and summers routinely reach well into the 30s, reverse cycle heat pump systems make a hell of a lot more sense.

I'll grant you that the initial cost is still high, but the Japanese stuff is still where it's at in terms of efficiency and longevity.

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Everyone agrees to donate their hashing capacity into a common pot, and split the winnings according to the ratio of their contributions.

I figured they worked like that, but I wasn't completely sure, thanks for explaining it.

Either way, the biggest issue (IMO) is the energy consumption of that 350PH/s. If everyone was using the most efficient mining hardware for which I could find information, the network would consume ~180MW, all just to verify a practical limit of about three transactions per second. That's an absolute lower limit of 50kWh per transaction, using the most optimistic assumptions. The real energy consumption is obviously greater than that and not every block contains the maximum possible number of transactions (some even contain one; the block reward being paid to the miner).

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There will be 21 million of them when last one is mined in the year 2140. Currently, just over two thirds of those have been mined. At the moment they are rewarded at a rate of on average 3,600 per day, and that halves on average every four years. The next halving is expected to occur at the end of next year.

The problem with bitcoin mining is that the block rewards are winner takes all. All of the miners out there are randomly calculating cryptographic hashes in the hope of finding one that meets an arbitrary condition. One block is mined on average every ten minutes (the difficulty is adjusted to ensure the average remains ten minutes regardless of the network's hashrate), and the system that finds the winning hash gets all 25 bitcoins. The network's hashrate has flattened out at about 350PH/s. Finding the winning hash when mining on your own is purely probabilistic, so if you have a miner capable of 350GH/s, your chance of finding the winning hash for any block is 1 in 1,000,000.

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Re: Where does the electricity go?

Don't you guys have heat pumps? Cutting your heating bill by 2/3 to 3/4 seems to make a lot more sense than trying to mine cryptocoins...

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According to Netflix, Australia's slowest ISP owns half of Foxtel

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Re: malice or incompetence

It's possible that being Telstra, it's malicious incompetence.

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Oz government to put dark fibre net on the auction block

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Re: 150,000 km of fibre, 2 Tbps

So I probably shouldn't point out that the laws regarding fireworks and pornography in Canberra have nothing to do with federal parliament, nor that fireworks were banned here in 2009?

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Australia cracks tech giants' tax dodge code

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FAIL

Re: "but the Committee contends they are certainly cynical"

Implying that morality is the exclusive domain of religions.

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Nvidia's screaming new Maxwell GPUs bring 4K gaming to notebooks

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Re: pcie?

I think the marketing department might have found that 20% figure in the engineering department's toilet. Compared to the desktop 980, the 980M has 25% fewer resources to start with, before considering the lower clock (~10%) and memory bandwidth (~30%).

They are still noticeably more efficient than the desktop part though.

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Avengers: Age of Ultron – blisteringly big banter, brawls and brio

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Re: Background

Other reviews have suggested that the character development from the previous films is largely ignored, so I suppose you don't need to have seen the previous ones.

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Bloke, 22, in knockoff Microsoft Xbox ring gets 18 months in the cooler

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On reflection, it's probably just a slightly more elaborate version of the "package with a brick in it" scam. In this case you get a shiny brick shaped like an Xbox One.

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I want to know more about how these jokers managed to build bootleg current gen consoles! Did they actually work, and if so where did they get the parts?

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Fandroids, take your phone's antivirus and burn it – Android bod

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"if it makes you feel better then by all means do it."

That no better as an argument in favour of homeopathy

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Singapore's PM personally programmed C++ Suduko-solver

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Amusingly, one of the selection criteria for the Rhodes Scholarship is "sympathy for and protection of the weak".

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The Internet of things is great until it blows up your house

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Joke

Basic domestic choirs

I prefer the accompaniment of a full choir when I'm doing my domestic chores.

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Dev gives HBO free math tips to nail Game of Thrones pirate leakers

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Re: Randomly add frames

They could delete frames, perhaps. To add frames, they'd have to know what was in them.

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Marvell: We don't want to pay this $1.5bn patent bill because, cripes, it's way too much

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Re: the price

To know whether 50 cents per chip is reasonable, we would have to know how many patents were used by the chip. If it uses exactly one patent, 50 cents might be reasonable. If it uses 100 different patents, then 50 cents per patent on a $5 chip is obviously unreasonable.

If 100 patents with a royalty of 50c each were used to design a chip, then the unreasonable part is selling that chip for $5.

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Stop climate change by drinking Coca-Cola says Oz government

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Facepalm

My sides

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Toyota Yaris Hybrid: Half-pint composite for the urban jungle

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Re: How times change

Worried about getting killed? Obesity and related diseases are the biggest killers, start counting down from there, and when you get to bikes, let me know.

If you want to avoid obesity related diseases, ride a pushbike. It's also safer than riding a motorbike.

The fact remains that the death rate for motorcycle riders per kilometre travelled in the English speaking world is 30-40 times higher than for car occupants.

The leading causes of death (at least for for my age group) are suicide, accidental poisoning and transport accidents in that order.

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Volvo V60 Polestar: Speak softly, carry a big stick, dress like a Smurf

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Joke

Re: Transmission from hell car that will eat your wallet!

DSG? You put a VAG 'box in your Vulva?

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Post-pub nosh neckfiller: Deep-fried cheesy Hungarian

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Unhappy

Had one of these once and wished I hadn't.

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Streaming tears of laughter as Jay-Z (Tidal) waves goodbye to $56m

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Re: Word perfect article

Kanye West plays with himself.

That's not an instrument.

The skin flute is one of the oldest and most widely played musical instruments.

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Re: Streaming? more like Steaming

It never ceases to amaze me how backward car entertainment systems are when it comes to dealing with music over You Ess Bee. MP3 players had it all sorted out over 10 years ago and computer software over 20.

Mine doesn't sort files and directories alphabetically or numerically, it sorts in the order in which they were copied to the storage device!

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Re: not alone at last

Am I a pioneer, developing more refined tastes or just another grumpy old bastard?

I've already decided it's okay to be all of the above, well before I actually become old.

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Re: Re: too old to care

I rip to multiple locations, but I can only ever listen to one of them at a time.

If you and your spouse jointly own a CD, is it copyright infringement to both be listening to it in different places at the same time?

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Re: you probably have misjudged Will.I.am

He's certainly a good source of unintentional comedy gold. Whatever happened to IAMAUTO?

And his appearance on NASA's Curiosity webcast? Amazing.

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Windows

Hmm

I think this is supposed to be my generation's thing (maybe I just miss out) but I think I'll just stick to buying CDs for as long as they're around.

Fortunately for artists, despite all this downloadable and streaming music nonsense, the internet also made self-publishing and distribution of physical media much more likely to succeed.

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Anti-gay Indiana starts backtracking on hated law after tech pressure

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Go

Re: How does this boycott thing work again?

Don't let the door etc. etc.

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Australian online voting system may have FREAK bug

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Re: Ah, political speak...

What does it mean? Probably about as much as "mitigate against".

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Audi TT: It's NOT a hairdresser-mobile, the dash is too flash

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Re: I'd like to point out...

There might be circular polarising glasses for some purposes (other than passive 3D TV/cinema) but the polarised sunglasses I've encountered have all been linear. I also have no problems with the (colour) LCD in my car while wearing them.

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Re: not too disturbing

electric hand break

Ouch!

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Re: So it's impossible for your passenger to put on music?

I suspect you might be right, unless maybe you've got a bluetooth capable media player that's already recognised by the car from which you can control the entertainment system.

There's a set of controls in the centre console, so at least the passenger can distract the driver by playing with the LCD.

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I'd like to point out...

...that to avoid issues for wearers of polarised sunglasses (such as myself) all that's needed is an LCD that uses circular rather than linear polarising filters.

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Really impressed by the dashboard... not so much by the price. That same car's equivalent to about £40k on-road up here in Australia.

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Re: I just want a dumb car

Perhaps try one of those cheap and cheerful cars out of China then?

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Re: LCD everywhere

I'm sure Audi never thought of that.

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Shock development: Darkweb drug n' gun dealers are untrustworthy

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Re: Important distinction

Scan, like almost every retailer that "accepts bitcoins as payment", uses an intermediary, in this case BitPay. BitPay takes the bitcoins sends Scan some dirty fiat on your behalf.

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Re: Important distinction

I should have added "inasmuch as they're worth anything". They might have a dollar value on some dodgy market somewhere but that doesn't mean you can do anything economically worthwhile with them.

Other than buying illegal drugs, guns and pornography I guess. The future of currency!

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Important distinction

They didn't steal $12m. They took some internet monopoly money that just happened to have a market value in USD of $12m when they did it. The coins that Mt. Gox took/lost/whatever are worth less than half as much now as they were when they were taken for instance.

Word is though that they've got their hands on 130,000 bitcoins, rather than the original estimate of 43,000, or about $32.5m at the current rate.

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Atomic keyrings: Just how bright are they?

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Re: Night eyes?

I bought a cheap LED clock radio that had two brightness settings; blinding, and blindinger.

A sheet of strong car window tint solved that problem, and also of the devices that have blue power LEDs that are blinding even with the lights on too.

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Windows 10 will finally drop in 'summer' says Microsoft

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At first I was outraged...

...at having to wait six months longer, up here in the southern hemisphere.

But I'm happy with Win7 so wotevz.

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Nvidia tears wraps off GeForce Titan X (again) and $10,000 GPU brain for DIY self-driving cars

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Re: Competition

Not yet, but the R9 390 looks like it's expected to at least match this when it's launched in the next few months, although whether it's 20nm or 28nm seems to be uncertain.

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