It costs less than a pound to run an iPad for a year

An iPad uses 5% of the resources of a PC

Jonathan Fahey, for the Associated Press:

That coffee you're drinking while gazing at your iPad? It cost more than all the electricity needed to run those games, emails, videos and news stories for a year.

The annual cost to charge an iPad is just $1.36, according to the Electric Power Research Institute, a non-profit research and development group funded by electric utilities.

By comparison, a 60-watt compact fluorescent bulb costs $1.61, a desktop PC adds up to $28.21 and a refrigerator runs you $65.72.

$1.36 is just 88p. It's actually quite a lot more expensive than that to run an iPad in the UK, though, since electricity here is almost twice as expensive (13.7p as opposed to 7.4p per kilowatt hour). Even so, the key point stands up: the cost of running an iPad for a year is less than 5 per cent of the cost of running a desktop PC for a year.

They may not feel like it yet, but tablets are the future of computing. Just as laptop PCs have eaten away at the market share of desktops, so the same thing will happen with tablets and laptops.

And this, fundamentally, is the flaw in arguments that there must be limits to growth. It's an idea that has celebrated its 40th birthday this year: that economic growth requires continuous consumption of resources, which will eventually overshoot the carrying capacity of the earth. A recent publication by the New Economics Foundation restates it:

[I]ndefinite global economic growth is unsustainable. Just as the laws of thermodynamics constrain the maximum efficiency of a heat engine, economic growth is constrained by the finite nature of our planet’s natural resources (biocapacity). As economist Herman Daly once commented, he would accept the possibility of infinite growth in the economy on the day that one of his economist colleagues could demonstrate that Earth itself could grow at a commensurate rate.

Yet this little bit of news shows that to be false - or at the very least, not as self-evidently true as it seems. No-one can deny that moving from one desktop PC to 20 iPads feels a bit like some growth has happened; and yet it requires fewer, not more, resources.

Good news, everyone! Things might carry on getting better. That would be nice.

Charging for just under two pounds.

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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Richmond is a wake-up call for Labour's Brexit strategy

No one made Labour stand in Richmond Park. 

Oh, Labour Party. There was a way through.

No one made you stand in Richmond Park. You could have "struck a blow against the government", you could have shared the Lib Dem success. Instead, you lost both your dignity and your deposit. And to cap it all (Christian Wolmar, take a bow) you self-nominated for a Nobel Prize for Mansplaining.

It’s like the party strategist is locked in the bowels of HQ, endlessly looping in reverse Olivia Newton John’s "Making a Good Thing Better".

And no one can think that today marks the end of the party’s problems on Brexit.

But the thing is: there’s no need to Labour on. You can fix it.

Set the government some tests. Table some amendments: “The government shall negotiate having regard to…”

  • What would be good for our economy (boost investment, trade and jobs).
  • What would enhance fairness (help individuals and communities who have missed out over the last decades).
  • What would deliver sovereignty (magnify our democratic control over our destiny).
  • What would improve finances (what Brexit makes us better off, individually and collectively). 

And say that, if the government does not meet those tests, the Labour party will not support the Article 50 deal. You’ll take some pain today – but no matter, the general election is not for years. And if the tests are well crafted they will be easy to defend.

Then wait for the negotiations to conclude. If in 2019, Boris Johnson returns bearing cake for all, if the tests are achieved, Labour will, and rightly, support the government’s Brexit deal. There will be no second referendum. And MPs in Leave voting constituencies will bear no Brexit penalty at the polls.

But if he returns with thin gruel? If the economy has tanked, if inflation is rising and living standards have slumped, and the deficit has ballooned – what then? The only winners will be door manufacturers. Across the country they will be hard at work replacing those kicked down at constituency offices by voters demanding a fix. Labour will be joined in rejecting the deal from all across the floor: Labour will have shown the way.

Because the party reads the electorate today as wanting Brexit, it concludes it must deliver it. But, even for those who think a politician’s job is to channel the electorate, this thinking discloses an error in logic. The task is not to read the political dynamic of today. It is to position itself for the dynamic when it matters - at the next general election

And by setting some economic tests for a good Brexit, Labour can buy an option on that for free.

An earlier version of this argument appeared on Jolyon Maugham's blog Waiting For Tax.

Jolyon Maugham is a barrister who advised Ed Miliband on tax policy. He blogs at Waiting for Tax, and writes for the NS on tax and legal issues.