3D Printed No-Snow Globe Might Not Make You Smile, But it Will Make You Think

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This year, it snowed across the entire United Kingdom. This might not seem such a remarkable occurrence, but it was the first time such a widespread snow event had happened in the country in seven years. To mark the occasion, activist group Plan B sent Prime Minister Theresa May a special holiday gift – a snow globe without any snow. A No-Snow Globe, in fact.

With the No-Snow Globe was a letter:

“Merry Christmas, Prime Minister.
We hope you enjoyed the recent snowfall because it could be our last.
We made you this special gift: http://nosnowglobe.com/
It’s a glimpse of what Christmas could look like if you don’t update the 2050 UK carbon target.
Since it’s the season for giving, why not give our children a safer future?
Climate change is in your hands, Prime Minister. What do you say?
Best wishes,
Plan B”

Last week, Plan B initiated a lawsuit against the British government for what it describes as “inaction against Climate Emergency.” The government has declined to update the UK’s carbon target in line with recent scientific developments, so the group is suing them, expecting to have a preliminary hearing in early 2018. The No-Snow Globes are a visual aid, a look at what future winters might look like if action isn’t taken to reduce carbon output and halt climate change. They were created by ad agency Martin London in partnership with Plan B, and feature three different scenes. In one, children build a “snowman” out of mud beneath a bare tree hung with ornaments. In another people create “snow” angels in the dirt in a desolate-looking landscape. In the third, kids fling mud at each other in a snowless snowball fight. Give these snow globes a shake, and nothing happens – no snow swirls around.

The depressing-looking scenes inside the snow globes were 3D printed by BlackEdge 3D, a UK service bureau, using stereolithography.  They were then hand-finished and painted. In addition to May, snow globes were sent (via social media) to climate change deniers Nigel Lawson and Katie Hopkins, and they’re also on display at the Winter Forest Christmas Market at Broadgate Square.

“Snow was a regular part of my childhood but last week was the first time my eldest daughter had ever seen it,” said Daniel Fisher, Executive Creative Director at Martin London. “The No-Snow Globe is a disarming way of communicating a very serious message about the planet we are bequeathing her generation unless we take action.”

To help make their case stronger, Plan B has started a petition asking the UK government to revise its carbon target. If you’d like to sign it, you can do so here. You can also donate to the cause through the Crowd Justice platform.

The no-snow globes are a clever yet disturbing way to draw the attention of the public – and, hopefully, the government – to the effects of climate change. If images of fires and floods aren’t enough, turning the snow globe – a picturesque item that usually provokes feelings of contentment – into something bleak and unnerving may be an attention-getter. They’re 3D printed in beautiful detail – if “beautiful” can be used to describe something so depressing. It’s easy to find actual snow globes – or make your own – but they won’t start important conversations the way these No-Snow Globes do. As Plan B cheerfully points out, give these globes a shake and they’ll “disappoint you every time.”

Discuss this and other 3D printing topics at 3DPrintBoard.com or share your thoughts below. 

[Sources: AdsofBrands, Campaign / Images: James Day]

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We Might Be Able to 3D Print an Artificial Mind One Day

FT-141211-brainWho says brains have to come from nature?

Image by takito/Shutterstock

I’m an artificial-intelligence skeptic. My problem isn’t with the software, but the hardware. Current computer technologies may give us faster, lighter laptops, but AI needs more than the PC equivalent of go-faster stripes—it needs a revolution in how we build processors. Such a revolution may be just around the corner though. As I discuss in a new article in the journal Nature Nanotechnology, the convergence of technologies such as 3-D printing, advanced processor architectures, and nanotechnology are opening up radical new possibilities in how we might construct brain-inspired computers in the future.

If what we think of as the human mind is the product of a biological machine (albeit a complex one), there is little to suggest that we won’t one day have the ability to emulate it. This is what’s driving artificial intelligence research and the emergence of computers like IBM’s Watson that are getting close to thinking like a person. Yet powerful as Watson is, current manufacturing techniques will never enable such technologies to become ubiquitous.

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It’s a problem of dimensions.

Imagine drawing five points on a piece of paper and trying to join each point to every other, without any of the interconnecting lines touching. You can’t do it. A second piece of paper layered over the first helps make the connections. But the more points you add and the more connections there are, the harder it gets to connect every point to every other one.

It’s a simple illustration of how hard it is to replicate the physical structure of the human brain—a 3-D matrix of billions of neurons tied together by hundreds of trillions of synaptic connections. Conventional manufacturing techniques can get us partway there. For instance, companies like IBM are pushing the limits of conventional approaches using to create brain-like processing architectures. But like the points on the paper, the technology is still inherently two-dimensional, meaning that additional complexity comes with a massive price tag.

If brain-inspired processors are to become an everyday reality, we’ll need radically different manufacturing processes.

This is where 3D printing comes in. Complexity in 3-D printing is cheap. And, as the name makes clear, it’s in three dimensions. To illustrate how powerful this is, go back to the points on the paper problem, and imagine you can now place not five, but 5 million points, anywhere within a volume of space about the size of a gallon of milk. Now imagine every point being connected to every other, without any of the connections overlapping. The tangle of threads and points you’re visualizing will be incredibly complex. But it’s not impossible—after all, that’s precisely the type of interconnected structure we see in the human brain.

Now imagine that you could take the equivalent of a brain scan of this tangle of threads and points, one slice at a time, then feed each slice to a 3-D printer. What you’d get would be a physical model of a brain-inspired structure.

Of course, it would just be a model made out of plastic or metal. Transforming it into a working artificial brain would require reach of those points to be a functioning artificial neuron, and each of the connections to emulate biological axions and synapses. The technology to achieve this doesn’t yet exist. But it isn’t that far away. For instance, Memristors, a new type of electronic component, are being explored as the basis of artificial neurons. If these could be 3D-printed, it may be possible to begin to construct simple three-dimensional brain-like computers.

Unfortunately, future 3D computer chips have a bigger problem that needs to be overcome. Processors generate heat. And high-performance processors generate a lot of it. In three dimensions, heat removal becomes one of the biggest barriers to developing brain-like processors.

Human brains have the same problem—a fever of just a few degrees can be life-threatening. Our bodies have evolved to handle this by removing excess heat through an intricate network of blood capillaries. Unfortunately, creating a similar heat management system using conventional manufacturing is incredibly challenging. Not so with 3D printing, though. Because complexity is cheap with 3D printing, a secondary fluid-based heat-management network would be relatively simple to add to a three-dimensional brain-inspired architecture.

Of course many more technological challenges to 3D printing an artificial mind remain, including the ability to 3D print functional components. Yet here, the field of nanotechnology is opening the door to achieving just this. The convergence between 3D printing and nanotechnology that will allow functional devices and processing architectures to be manufactured using multiple materials isn’t there yet. But it’s not inconceivable that, one day, my skepticism will prove to be unjustified, and anyone will be able to 3D print the modern day equivalent of Isaac Asimov’s positronic brain.

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