tavu

@tavu@sopuli.xyz

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tavu ,

Yep. It works and it's awesome.
I use conversations on android devices and dino and gajim on desktops, various family members use siskin on iOS.

With zero app or server-software or provider lock-in, and an actual in-practice diversity of apps and providers, the whole thing seems pretty immune to enshittification.

[UNRWA Defunding vs Genocide] Worse Than You Can Imagine - Craig Murray ( www.craigmurray.org.uk )

The coordinated decision of the Western nations to fast track famine by stopping UNRWA funding was announced within an hour, following the ICJ ruling that Gazans were at immediate risk of genocide, and drove from the media headlines the adverse ruling against Israel.

tavu OP ,

[alt-text for the vision-impaired] Image appears to be a twitter post from Craig Murray posted on 2023-10-14: "To be entirely plain. I have always viscerally opposed war. I have dedicated my life to conflict resolution and reconciliation. But in the coming Gaza genocide, every act of armed resistance by Hamas and Hezbollah will have my support. If that is a crime, send me back to jail."

Hmm. Could be seen as a rather outlandish thing to say in the immediate aftermath of 2023-10-07, but in hindsight with what we know now in terms of what atrocities the Israeli military forces have brought upon the people of Gaza since that attack on Israel, it seems a reasonable statement to support armed resistance against the coming episode of genocide which indeed materialised and continues today.

tavu OP ,

What then? Maybe 98% supports + 2% doesn't support the genocide?

That 2% because a genocide might be a bit inconvenient with an election coming up?

tavu ,

Ohh, so "pavement" meaning a sealed road surface?

In my head I'm trying to figure out what the footpath (U.S. "sidewalk") a.k.a. U.K. pavement fits in with the jibe.

EM Eye: Electromagnetic Side-channel Eavesdropping on Embedded Cameras ( emeyeattack.github.io )

EM Eye investigates a cybersecurity attack where the attackers eavesdrop on the confidential video data of cameras by parsing the unintentional electromagnetic leakage signals from camera circuits. This happens on the physical/analog layer of camera systems and thus allows attackers to steal victim's camera data even when...

tavu OP ,

I wonder when (if?) orbital radio receiver arrays (a la starlink) are sensitive and discriminating enough to be used for this type of attack.

tavu OP ,

[...] the attack is an extremely expensive nation state level operation that doesn’t scale.

About $250 at most. Quoting the linked page:

Below is a list of equipment we used for the experiments.

  • (1) Software Defined Ratio (SDR): Ettus USRP B210 USRP, ~$2100.
  • (2) Low Noise Amplifier (LNA): Foresight Intelligence FSTRFAMP06 LNA, ~$200.
  • (3) Directional Antenna: A common outdoor Log-periodic directional antenna (LPDA), ~$15.
  • (4) A laptop, of course.

Note that the equipment can be replaced with cheaper counterparts. For example, USRP B210 can be replaced with RTL-SDR that costs ~$30.

To reproduce the attack: our GitHub repository provides the codes and instructions for reproducing and understanding the attack. We have prepared a ready-to-use software tool that can produce real-time reconstructions of the eavesdropped videos with EM signal input from the USRP device.

tavu OP ,

Well within the budget of a private investigator or burglar or peeping-tom or abusive ex-partner.

No need to scale; plenty of privacy/security incursions don't require mass-surveillance.

That said, I'd suggest that the attack does scale economically . Think war-driving but with one of these setups -- cruising around in a van through a dense neighbourhood collecting short clips of cctv footage looking for something of interest.

tavu ,

They're a little pricey I suppose, but judging by a few minutes comparing gumtree listings for hatchback cars and cargo bikes:

< 20% the cost of a hatchback in analogous condition/age/fanciness.

tavu ,

Apart from the pleasant one on the left, they're all the worst. The 4th from the right is almost good, but then you notice the creepy-as-fuck centre tine-gap length.

A ubiquitous tire rubber–derived chemical induces acute mortality in coho salmon ( sopuli.xyz )

In U.S. Pacific Northwest coho salmon (Oncorhynchus kisutch), stormwater exposure annually causes unexplained acute mortality when adult salmon migrate to urban creeks to reproduce. By investigating this phenomenon, we identified a highly toxic quinone transformation product of...

tavu OP ,

I suppose it's likely.

Until then, keep riding. Cycling releases an order of magnitude less rubber dust than driving, and is distributed approximately according to population density on local roads/paths, not concentrated on traffic sewers/freeways.

Signal Facing Collapse After CIA Cuts Funding ( kitklarenberg.substack.com )

On November 16th, Meredith Whittaker, President of Signal, published a detailed breakdown of the popular encrypted messaging app’s running costs for the very first time. The unprecedented disclosure’s motivation was simple - the platform is rapidly running out of money, and in dire need of donations to stay afloat....

tavu , (edited )

As per the quote below, a car loses about 0.08g of tread per km.

Compared to a car, a bike tyre is about the same diameter, 10% of the width (~20mm), 28% usable tread depth (~2mm), has 50% less wheels, and can travel 10% the distance (~10000km).

This suggests a (very approximate) tread loss of 0.08 * 10% * 28% * 50% / 10% = ~ 0.01g per km for bicycles.

For replacing longer car journeys less typically travelled by bicycle, rail transport is the best solution and removes the issue of tyre wear.

Quoting [deleted] in r/theydidthemath:

Using the same assumptions as above (215/60R16 tires, 7mm of tread loss over 100,000 km), I estimate the loss of tread by volume from each tire as follows:

Cylinder with a diameter of 664 mm and a height of 215 mm has a volume of 74,412 cm3. Cylinder with a diameter of 664-(2x7)=650 mm and a height of 215 mm has a volume of 71,307 cm3. The volume difference between a new and worn out tire is 3105 cm3.

Typical land to sea ratio of tires is 60-70% land, depending on the type of tire. If we go with an about average value of close to 65% tread, we get the lost rubber volume of about 2000 cm3 or 2,000,000 mm3 over a single tires lifespan.

Each revolution of a tire loses about 0,04 mm3 of tread, which, according to Wolfram Alpha, is a bit less than the volume of a medium grain of sand.

If we look at the entire car with 4 tires over a kilometer of road, we get 80 mm3 or about 0,08 grams of tread lost per car per kilometer.

Activist Group Is Protesting Driverless Cars by Disabling Them With Traffic Cones ( www.vice.com )

“The group got the idea for the conings by chance. The person claims a few of them walking together one night saw a cone on the hood of an AV, which appeared disabled. They weren’t sure at the time which came first; perhaps someone had placed the cone on the AV’s hood to signify it was disabled rather than the other way...

tavu ,

Amendments to anti-terrorism legislation incoming in 3… 2… 1…

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