Category Archives: Blog

The other sort of hacking: Baltimore’s ghost taxis

Baltimore taxisDovetailing neatly with yesterday’s article about innovative low-budget urban living in Detroit comes a piece on Baltimore’s “hacks”- illegal and unlicensed taxi services provided by anyone with a car to anyone in need of a budget ride across town [via MetaFilter; image by Marcin Wichary].

… a booming economy built around people in Baltimore’s African-American community who prefer to call or flag down drivers like Doug to taking public transportation or licensed taxicabs. There are no statistics on hacking, no academic studies. Yet, as anyone who travels city streets and encounters the finger-wagging hack hail knows, it is a pervasive part of life here.

It is also a somewhat controversial part. Hacking is illegal, a misdemeanor punishable by a fine of up to $500 and up to six months in jail. And it has a reputation as a dangerous practice, for both riders and drivers. Although Baltimore Police Department spokesman Officer Troy Harris says that police records “don’t have a category for occupations of homicide victims,” accounts published in The Sun indicate that over the past decade as many as 13 Baltimoreans have been killed while driving hacks. And since hacking itself is illegal, many lesser crimes that might occur in the process–carjackings, robberies, assaults–likely go unreported.

Why has this dangerous and illegal activity become such a part of Baltimore culture? Most reasons given by those contacted for this story can be summed up in three words–convenience, money, and race.

It’s a long article, but worth the read – y’know, the sort of journalism they keep telling us that the internet will kill off. Hacking sounds a lot like the ‘van’ system found in Latin American cities, a grey market that grows around the demand for public transport infrastructure among those living on the margins of society, whether geographically or politically. From the sound of it, hacking in Baltimore is too ubiquitous to be effectively shut down by the authorities without a vast expense of time and money, and its close connection to the African-American demographic means that to do so would probably amplify the problems of discrimination that hacking circumvents. The article points out that the city authorities have too much on their plates with other more serious crimes to spend time on a hacker crack-down (arf!), but one can’t help but wonder if there’s an element of turning the blind eye in that attitude – after all, any street-level economic activity that’s been running for a few decades is evidently driven by genuine need, and producing an official fix for the problem is going to be much harder work than trying quietly to contain it.

What fascinates me about stories like this are the way they tear off the veneer of “respectable”corporate capitalist economics to reveal illicit person-to-person transactions running in much the same way as they must have done since the dawn of commerce itself. I know it’s not fashionable to talk positively about the power of the marketplace right now, but you can’t deny the tenacity with which people will find a way to make a fast buck from the absence of a certain service or product. The question is, how much of the crime associated with hacking would be prevented if the authorities took a more laissez faire attitude and deregulated the business, allowing hacks to compete directly on price and safety with ‘legitimate’ taxis? This strikes me as the sort of small economic ecosystem that could thrive with the introduction of a reputation currency.

Microfluidic diagnostic chips are (almost) child’s play

Pity us poor Brits and our ox-bow lake of eighties pop-culture – until today I had no idea what Shrinky Dinks were. But now I know… and I also know that code 6 polystyrene sheets (which is what Shrinky Dinks are made of) can be used to make single-run prototypes of microfluidic diagnostic chips, thanks to the innovative thinking of one Michelle Kine:

she whipped up a channel design in AutoCAD, printed it out on Shrinky Dink material using a laser printer, and stuck the result in a toaster oven. As the plastic shrank, the ink particles on its surface clumped together, forming tiny ridges. That was exactly the effect Khine wanted. When she poured a flexible polymer known as PDMS onto the surface of the cooled Shrinky Dink, the ink ridges created tiny channels in the surface of the polymer as it hardened. She pulled the PDMS away from the Shrinky Dink mold, and voilà: a finished microfluidic device that cost less than a fast-food meal.

[…]

She hastens to point out that Shrinky Dink microfluidics isn’t perfect–minute ink splatters from the printer, for instance, can give rise to slight irregularities in the finished channels.

Still, glitches like these don’t pose a problem for most applications. And Khine has already found a way around a more serious difficulty: PDMS can absorb proteins, throwing off the results of sensitive tests. She has begun to make chips directly out of the Shrinky Dinks by etching the design into the plastic using syringe tips. As the plastic shrinks, the channels become narrower and deeper–perfect for microfluidics. She can even make three-dimensional chips by melting several etched Shrinky Dinks together. The whole process, from design to finished chip, takes only minutes.

Kudos, Miss Kine. Even if you’re not a microfluidics researcher, this is an impressive example of finding cheap methods for making high-tech devices – the sort of favela-budget hack that takes a technology from university laboratories to the potting sheds of the globe. I wonder what the garage biohacker crowd will make of Kine’s innovation? And what might be the next lab-grade technology to be reproduced at a fragment of the normal price using off-the-shelf stuff from the supermarket? [via BoingBoing]

Now that’s minimalism: Art with microbes

opheliaThe Microbial Art site features graphics created with fungi and bacteria. The dozen or so artists on display include Alexander Fleming, and the styles range from homey-sampler to fractal-abstract.  A set of aesthetic criteria hasn’t emerged yet, but I particularly like the pictured work:

Artist JoWOnder presents a pre-Raphaelite painting of Ophelia created with bacteria. The demise of the painting is filmed using time-lapse photography, showing a story of death and creation of new life. The colors and animation for ‘6 Days Goodbye Poems Of Ophelia’ were created in a laboratory at Surrey University UK with the help of microbiologist Dr. Simon Park. When displayed in 2010, this will be an outdoor video installation of Ophelia with poems submitted from the public. Composer Milton Mermikides will be producing a sound track based on the genetic code of bacteria that colonize the gut.

Story tip: Carl Zimmer on Discover

Genome sequencing for <$5000

digital rendering of DNAThe title says it all, really; Californian biotech company Complete Genomics has announced publicly that it has…

… sequenced three human genomes for an average cost of $4,400. The most recently sequenced genome–which happens to be that of genomics pioneer George Church–cost just $1,500 in chemicals, the cheapest published yet. [via FuturePundit]

“So what?” you might be thinking. Well, for a start, cheaper genome sequencing will pay off fast for the medical field, as it’ll give them more data to study; also, lowering the price to “consumer” levels (albeit the sort of consumer who doesn’t flinch at the idea of laying out a few thousand bucks for a bunch of data that they themselves don’t have the training to do anything with) opens up a whole raft of potential applications, both medical and otherwise.

Other experts are downplaying Complete Genomics’ announcement, however, because the “reagent cost” of the sequencing doesn’t tell the full story:

Calculating the cost of sequencing a human genome is a tricky business–price estimates can vary depending on what’s included in the calculation. One common measure is the cost of the chemicals used, and this is what Complete Genomics used. However, this measure doesn’t incorporate the cost of the machines that do the sequencing, the human labor, or the computational effort required to assemble raw sequence information into a whole genome. “What’s important is not just the reagent costs, but also the cost of analyzing the sequence,” says Jeff Schloss, program director for technology development at the National Human Genome Research Center, in Bethesda, MD. “It’s unclear how computational costs for this method compare to some of the others.”

My guess would be that CG doesn’t really care about that, though. It looks like they’re taking a leaf from the Web2.0 playbook by rolling out the service at the lowest cost possible in order to get a good toe-hold in an emerging market: make sequencing available, and then watch your early-adopter users to see what people will actually use it for. That said, the $5,000 sequence isn’t available to the general public just yet, but I doubt it’ll be long before it is… and I doubt CG will be the only player on the field by that point, either. [image by ynse]

Detroit: the new frontier?

Heidelberg community art project, DetroitLast time we mentioned Detroit here, it was in the less-than-cheerful terms of it becoming a growth region for private security patrols, and the web is full of similar stories charting the Motor City’s decline in lucid hand-wringing detail. But what if they’re ignoring the positives in favour of those apocalyptic headlines and photos?

Aaron M Renn at New Geography makes the point that the city’s administration seems unwilling to face up to the extent of the problem, but also highlights the pioneering atmosphere that Detroit’s “urban prairie” is nurturing. The withering of local government leaves spaces of opportunity for innovative approaches to low-budget living to take root… and while the living ain’t easy, the make-do attitude of the American pioneer spirit seems to be making a return [via Warren Ellis].

Urban agriculture projects are gathering pace; out-of-town artists are moving in, attracted by the low housing prices and the blank-canvas vibe of a city that’s been all but abandoned by consumerism. [image by jessicareeder]

In most cities, municipal government can’t stop drug dealing and violence, but it can keep people with creative ideas out. Not in Detroit. In Detroit, if you want to do something, you just go do it. Maybe someone will eventually get around to shutting you down, or maybe not. It’s a sort of anarchy in a good way as well as a bad one. Perhaps that overstates the case. You can’t do anything, but it is certainly easier to make things happen there than in most places because the hand of government weighs less heavily.

What’s more, the fact that government is so weak has provoked some amazing reactions from the people who live there. In Chicago, every day there is some protest at City Hall by a group from some area of the city demanding something. Not in Detroit. The people in Detroit know that they are on their own, and if they want something done they have to do it themselves. Nobody from the city is coming to help them. And they’ve found some very creative ways to deal with the challenges that result.

Imagine for a moment that this trend continues – might Detroit become some sort of independent city-state, a mildly anarchic rough-and-ready town where the price of freedom is a willingness to work hard for yourself and with your neighbours? How many more cities in the Western world might go the same way as manufacturing becomes increasingly outsourced overseas and/or roboticised? How will national governments react to these places – will they abandon them to the whims of their new residents, or struggle to control them in the face of diminishing tax revenues and the spiralling costs of law enforcement?

I’m not naive enough to imagine Detroit becoming some sort of hippie utopia, but I think it has the potential to become a new type of post-industrial city – but that will depend on a lot of different factors. Should the government be involving itself more closely in these early stages, or will a hands-off wait-and-see approach prove more effective?