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camouflage

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Friday Squid Blogging: New Research on Squid Camouflage

From the New York Times:

Now, a paper published last week in Nature Communications suggests that their chromatophores, previously thought to be mainly pockets of pigment embedded in their skin, are also equipped with tiny reflectors made of proteins. These reflectors aid the squid to produce such a wide array of colors, including iridescent greens and blues, within a second of passing in front of a new background. The research reveals that by using tricks found in other parts of the animal kingdom — like shimmering butterflies and peacocks — squid are able to combine multiple approaches to produce their vivid camouflage.

Researchers studied Doryteuthis pealeii, or the longfin squid.

As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered.

Read my blog posting guidelines here.

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Military Carrier Pigeons in the Era of Electronic Warfare

They have advantages:

Pigeons are certainly no substitute for drones, but they provide a low-visibility option to relay information. Considering the storage capacity of microSD memory cards, a pigeon’s organic characteristics provide front line forces a relatively clandestine mean to transport gigabytes of video, voice, or still imagery and documentation over considerable distance with zero electromagnetic emissions or obvious detectability to radar. These decidedly low-technology options prove difficult to detect and track. Pigeons cannot talk under interrogation, although they are not entirely immune to being held under suspicion of espionage. Within an urban environment, a pigeon has even greater potential to blend into the local avian population, further compounding detection.

The author points out that both France and China still maintain a small number of pigeons in case electronic communications are disrupted.

And there’s an existing RFC.

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Hidden Cameras in Streetlights

Both the US Drug Enforcement Administration (DEA) and Immigration and Customs Enforcement (ICE) are hiding surveillance cameras in streetlights.

According to government procurement data, the DEA has paid a Houston, Texas company called Cowboy Streetlight Concealments LLC roughly $22,000 since June 2018 for “video recording and reproducing equipment.” ICE paid out about $28,000 to Cowboy Streetlight Concealments over the same period of time.

It’s unclear where the DEA and ICE streetlight cameras have been installed, or where the next deployments will take place. ICE offices in Dallas, Houston, and San Antonio have provided funding for recent acquisitions from Cowboy Streetlight Concealments; the DEA’s most recent purchases were funded by the agency’s Office of Investigative Technology, which is located in Lorton, Virginia.

Fifty thousand dollars doesn’t buy a lot of streetlight surveillance cameras, so either this is a pilot program or there are a lot more procurements elsewhere that we don’t know about.

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