Dotmpotter - Dot Potter

G20 Governments collectively handed out $452bn in subsidies for fossil fuels in both 2013 and 2014 - four times the amount allocated globally for renewables.

(via Fossil fuels receive four times as many subsidies as renewables, report finds)

Trident is a remote-controlled, camera-equipped underwater drone – and it’s the fastest machine yet from underwater robotics startup OpenROV. It can go as fast as Michael Phelps. 

The underwater drone can stream live video to a monitor during explorations and the team at OpenROV is currently exploring VR so those playing with one of these drones can feel like they are right there in the depths with their vehicle.

Check out the video here! 

The bottom line is that there is no longer a financial or technical excuse to leave low-income and vulnerable people at risk in prolonged power outages. 

We’ve seen the breakthroughs in clean energy technology from Tesla and SolarCity, but these companies are primarily marketing only to big commercial customers that want to reduce their utility bills. While this is a good way to build the early markets for clean energy and solar-plus-storage systems, vulnerable residents don’t have time to wait for these innovations to trickle down to their communities — not when they are economically feasible today and mean the difference between protection and tragedy.

(via Build Affordable Housing That Can Weather the Next Superstorm – Next City)

Big Data's religious faith denies the reality of failed promises, privacy Chernobyls

Maciej Ceglowski (previously) spoke to a O'Reilly’s Strata Big Data conference this month about the toxicity of data – the fact that data collected is likely to leak, and that data-leaks resemble nuclear leaks in that even the “dilute” data (metadata or lightly contaminated boiler suits and tools) are still deadly when enough of them leak out (I’ve been using this metaphor since 2008).

Ceglowski also raises a critical point: Big Data has not lived up to its promises, especially in life sciences, where we were promised that deep analysis of data would yield up new science that has spectacularly failed to materialise. What’s more, the factors that confound Big Data in life science are also at play in other domains, including the business domains where so much energy has been expended.

The key point is that people react to manipulation through Big Data: when you optimize a system to get people to behave in ways they don’t want to (to spend more money, to click links they aren’t interested in, etc) then people adapt to your interventions and regress to the mean.

Big Data’s advocates believe that all this can be solved with more Big Data. This requires them to deny the privacy harms from collecting (and, inevitably, leaking) our personal information, and to assert without evidence that they can massage the data so that it can’t be associated with the humans from whom it was extracted.

As Ceglowski puts it, ‘people speak of the “data driven organization” with the same religious fervor as a “Christ-centered life”.’

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Poverty is a tax on cognition

In an outstanding lecture at the London School of Economics, Macarthur “genius award” recipient Sendhil Mullainathan explains his research on the psychology of scarcity, a subject that he’s also written an excellent book about.

Mullainathan begins by establishing the idea that your cognition is limited – you can only think about a limited number of things at one time, and when the number of things you have to pay attention to goes beyond a certain threshold, you start making errors. Then he explains how poor people have a lot more things they have to pay attention to. In the UK, we make fun of politicians for being so out of touch that they don’t know the price of a pint of milk – but poor people have to keep track of the price of everything they require. There’s no room for error. Spend too much on the milk and you can’t afford the bread.

That’s just one of the many taxes on the cognitive load of poor people. David Graeber’s Utopia of Rules details another: figuring out what rich people are thinking. Poor people who piss off rich people face reprisals far beyond those that rich people can expect from each other or from poor people.

This isn’t unique to cash-poverty. Mullainathan asks his audience to recall what life is like when they’re “time poor” – on a deadline or otherwise overburdened. This scarcity can focus your attention, yes: we’ve all had miraculous work-sprints to meet a deadline. But it does so at the expense of thoughtful attention to longer-term (but equally important) priorities: that’s why we stress-eat, skip the gym when our workload is spiking, and miss our kids’ sports’ games when the pressure is on at work.

The experimental literature shows startling parallels between the two conditions: time scarcity and cash scarcity. This leads to a series of policy proscriptions that are brilliant (for example, when we create means-tested benefits that require poor people to go through difficult bureaucratic processes, we’re taxing their scarcest and most precious resource). He also recounts how this parallel is useful in creating an empathic link between rich and powerful people like hedge fund managers and the poorest people alive.

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When life gives you lemons, make lemonade, right? That, at least, is the motto the European Space Agency seems to have embraced with respect to two wayward satellites, which are being repurposed to provide the most accurate assessment yet of how gravity affects the passage of time.

(via A Satellite Mishap Is Letting Physicists Test Einstein’s Theory of Relativity)

Santa Connects With Child Using Sign Language

Coating Makes Steel Tougher, Keeps Microbes From Sticking

More and more objects are getting superhydrophobic coatings that make liquids bounce right off. Surfaces with complex nanoscopic structures that prevent wetting will soon be deployed on wind turbine blades and aircraft wings to prevent ice from sticking, and even concrete is being doped with superhydrophobic compounds to help it last decades longer.

Much still needs to be done, though, to strengthen these coatings because any damage can remove the ability to repel liquids. Such an advance is hugely important since there are potentially life-saving healthcare applications if this hurdle could be overcome with a stable, nontoxic coating for steel. Just imagine if implants, scalpels and other tools used on patients had a surface impossible for infection-causing microbes to cling to.

Now, Joanna Aizenberg and her colleagues at Harvard’s Wyss Institute for Biologically Inspired Engineering have demonstrated a possible solution. They’ve been able to coat stainless steel with nanoporous tungsten oxide, which repels all liquids. What’s more, the surface is extremely tough, maintaining superhydrophobicity even after being scratched with sharp steel objects and diamond.

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