UK Police Claim To Have Seized Their First 3-D Printed Gun Parts

But the items look an awful lot like printer parts

1 min read
UK Police Claim To Have Seized Their First 3-D Printed Gun Parts
Photos: Greater Manchester Police

Police in Manchester, United Kingdom, yesterday seized a 3-D printer and what they said were 3-D printed gun components, which would be a first in the UK. They arrested a man involved on suspicion of making gun powder, who told the BBC: "It's nothing to do with a gun whatsoever."

Soon after the announcement, coder and writer Dj Walker-Morgan tweeted that the components in the police photographs were just parts of the printer. For a comparison of the parts, see this New Statesman post. Of course, the police might have just posted photos of the wrong parts.

But hours later, the police department released another statement: "We need to be absolutely clear that at that this stage, we cannot categorically say we have recovered the component parts for a 3D gun." It did not say whether the department had left parts out of its public photos. Instead, it called for "further forensic testing by national ballistics experts."

Perhaps the man was planning to re-enact the pivotal murder scene in the latest episode of "Elementary"? TV script writers, as usual, are ahead of the game. "CSI: New York" featured a 3-D printed gun earlier this year, too. As Jeremy Hsu pointed out earlier this year in IEEE Spectrum's Tech Talk, these guns are still only good for one shot at a time and are far less reliable than conventional guns. A potential murderer would need to be pretty sure of his or her abilities to rely on a printed gun.

For readers hungry for more, Vice sent someone to spend a week with the maker of a printed gun in Texas. A 24-minute video and report are here.

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From WinZips to Cat GIFs, Jacob Ziv’s Algorithms Have Powered Decades of Compression

The lossless-compression pioneer received the 2021 IEEE Medal of Honor

11 min read
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Photo of Jacob Ziv
Photo: Rami Shlush
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Lossless data compression seems a bit like a magic trick. Its cousin, lossy compression, is easier to comprehend. Lossy algorithms are used to get music into the popular MP3 format and turn a digital image into a standard JPEG file. They do this by selectively removing bits, taking what scientists know about the way we see and hear to determine which bits we'd least miss. But no one can make the case that the resulting file is a perfect replica of the original.

Not so with lossless data compression. Bits do disappear, making the data file dramatically smaller and thus easier to store and transmit. The important difference is that the bits reappear on command. It's as if the bits are rabbits in a magician's act, disappearing and then reappearing from inside a hat at the wave of a wand.

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