The first watery exoplanet?

An alien coastline?I’ll wager you’ve caught at least a hint of this story already: astronomers reckon they’ve located the first serious candidate for a water-bearing exoplanet:

… new calculations – made possible by the discovery of “[Gliese 581] e” – show that the larger planet is squarely within the so-called “habitable zone,” neither too far nor too close to the star around which it orbits to support life.

“Gliese 581 d is probably too massive to be made only of rocky material, but we can speculate that it is an icy planet that has migrated closer to its star,” said co-author Stephane Udry, a professor at Geneva University, in Switzerland.

“It could even be covered by a large and deep ocean – it is the first serious ‘waterworld’ candidate,” he said.

A waterworld, eh? As Gareth L Powell put it, maybe we should dispatch Kevin Costner immediately

More seriously, a wet Gliese 581 d is only a possibility as yet, but it’s a possibility that shifts the odds on there being life elsewhere in the universe. When (or perhaps I should say “if”) we manage to confirm the presence of liquid-phase water on other planets, we’ll have to concede that the likelihood of life evolving elsewhere is not as remote as was once thought… which will doubtless be immensely upsetting to some people, but makes me feel pretty good. [image by Paulo Brandão]

Furniture with character

How can we fix our relentless habit of buying new stuff to replace perfectly functional older stuff? James Pierce of Indiana University has an idea: design household objects to interact with us periodically and engage our attention beyond their established roles:

For instance, he has designed a table with an embedded digital counter that displays the number of heavy objects that have been placed on it during its lifetime. The counter becomes blurry or erratic if someone drops a heavy object on the table, only later returning to the correct count.

Another approach is cheeky misbehaviour, such as a lamp that dims if you leave it on for too long; shaking the lamp “wakes” it again. Or a clock that occasionally shows the wrong time, only to correct itself and display a message that it was just joking.

There’s more than a hint of Philip K Dick in that idea… and as much as I can see where Pierce is trying to go, it’s surely a bit too playful and arty to actually swing in the real world. I don’t know about you, but if I had a clock that periodically lied about what time it was, I’d replace it sooner rather than later!

2020 – Varsity’s end?

empty university lecture hallUnless they start to adapt quickly, colleges and universities could become irrelevant in little more than a decade. So claims Professor David Wiley, at any rate, using arguments that should be familiar to die-hard internet denizens and futurists:

America’s colleges and universities, says Wiley, have been acting as if what they offer — access to educational materials, a venue for socializing, the awarding of a credential — can’t be obtained anywhere else. By and large, campus-based universities haven’t been innovative, he says, because they’ve been a monopoly.

But Google, Facebook, free online access to university lectures, after-hours institutions such as the University of Phoenix, and virtual institutions such as Western Governors University have changed that. Many of today’s students, he says, aren’t satisfied with the old model that expects them to go to a lecture hall at a prescribed time and sit still while a professor talks for an hour.

Higher education doesn’t reflect the life that students are living, he says. In that life, information is available on demand, files are shared, and the world is mobile and connected. Today’s colleges, on the other hand, are typically “tethered, isolated, generic, and closed,” he says.

It’s the “open everything” argument, of course, but it’s given a certain extra weight in this instance because Wiley lectures at Brigham Young University, a small private university owned by the Mormon church; if they can see the writing on the wall and admit to it, then change is definitely afoot (although Wiley makes the point that establishments like Brigham Young offer “a religious education and the chance to meet and marry an LDS Church member”, which is effectively a kind of social network attraction, albeit a non-technological one). [via Technovelgy; image by Shaylor]

I’d go a few steps further, though. Wiley suggests that “universities would still make money, though, because they have a marketable commodity: to get college credits and a diploma, you’d have to be a paying customer.” I’m not sure how things stand in the US, but here in the UK we have a saturation of graduates with qualifications that are either oversupplied or effectively irrelevant to obtaining a job (in parallel with a decline in the number of science and engineering graduates); as further education has become much more expensive (as a result of the government’s efforts to make it available to all, ironically) its final product has become devalued. What most employers want now is experience and demonstrable ability – two things that a diploma does not guarantee in any way.

So perhaps we’ll see a return to something like the old guild apprenticeship system, wherein people work for a company at the same time as they take an assortment of modular courses with direct relevance to the job in question, moving up the ranks as they gain – and demonstrate – the specialist knowledge and skills required, at the pace which best suits them. There’d be nothing to prevent someone learning beyond their discipline if they so chose, or spending a lifetime in pursuit of academic achievement.

In fact, the more I think about it, the more I’m put in mind of “Phaedrus’s university” as described in Zen and the Art of Motorcycle Maintenance (yes, I do have a hippie streak, as if you hadn’t guessed), the most important component of which is the way it decouples education from coercion, obligation and standardised achievement metrics. Pirsig’s ideas were considered pretty radical in their time, and largely dismissed as unworkable; in the light of the ever-growing ubiquity of the web and free content, maybe it’s time to take another look.

Of two minds

brain-simulationAn old science fictional argument: to what extent is it correct to characterise the human mind as a digital computer? According to this insightful article [via Charles Stross] many AI researchers have been making an error in their belief that the human mind can be thought of as a computer:

The fact that the mind is a machine just as much as anything else in the universe is a machine tells us nothing interesting about the mind.

If the strong AI project is to be redefined as the task of duplicating the mind at a very low level, it may indeed prove possible—but the result will be something far short of the original goal of AI.

In other news:

A detailed simulation of a small region of a brain built molecule by molecule has been constructed and has recreated experimental results from real brains.

The “Blue Brain” has been put in a virtual body, and observing it gives the first indications of the molecular and neural basis of thought and memory.

Is there a meaningful distinction between the traditional view of a strong AI and a molecular-level simulation of a human mind?

[image and article from the BBC]