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David Alan Gilbert
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David Alan Gilbert

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This is very neat - timelapse of stripping away a PCB with a router taking a fraction of a  layer off each time - the 'setup' video is worth looking at.
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David Alan Gilbert

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So drones now have anti-laser lasers; I assume there will soon be anti-anti-laser lasers; (via +Mark Bruce's weekly science writeup)

https://www.newscientist.com/article/2105362-drones-get-first-anti-laser-lasers-to-stop-being-shot-down/
With warships equipped with lasers to destroy drones and soldiers using lasers to dazzle the enemy, the first anti-laser defence system is now being tested
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Nothing like a good arms race to drive development of better systems!
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David Alan Gilbert

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My new TV has a fun bug; if you're on the scart input and type in a channel number, it switches to one less than the number you entered. It's a dirt cheap JVC lt-42c550 that I got on a bank holiday special deal, so I'll have no worries about running it off something external (that night have a less crap TV guide and I need to add some external speakers since it's internal ones are crap)
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Renato Golin's profile photoDavid Alan Gilbert's profile photo
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+Renato Golin And I'd love to find that exploit and fix the rest of the firmware in the TV! (It is sitting behind a firewall, behind a wifi router on a separate subnet that's switched off)
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David Alan Gilbert

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Has anyone else seen G+ the last few days not showing history/scrollback more than ~1-2 pages? (Both old and new UI)
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Alex Bennée's profile photoAlun Jones (pengfold)'s profile photoDavid Alan Gilbert's profile photo
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I had it working better for a while on the new interface, but it's gone back to a 'It looks like you've hit the end'.
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David Alan Gilbert

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Gums like Xanthan gum and carboxymethyl cellulose (CMC) are really difficult to mix; if you just add them to water they clump into 'fish eyes' that are almost impossible to get rid of. Mixing them into something without water, in this case golden syrup, works really well to which you can then reasonably easily add water (or in this case pear juice).
Commercially there appear to be big and complex mixers that mix in gum powders by injecting them into a liquid stream with just the right amount of stress to make sure they're fully mixed but not so much that the gums properties are destroyed.
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David Alan Gilbert's profile photoAlan Pope's profile photo
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Ooh, sounds yum.
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David Alan Gilbert

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A good walk today around Marple. A nice panorama looking down from an old churchyard at the top of a hill - a view wasted on the dead.

(Digikam 5.1 is working well, it seems to have 5.0 was a bit broken for me; but 5.1 is doing a great job on panorama stiching).
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David Alan Gilbert

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http://microfabrica.com/capabilities/index.php is pretty neat; using the tricks from the semiconductor industry for making small, accurate metalic parts.
via +Mark Bruce's SciTech digest.
Our Capabilities. Microfabrica is unrivaled in its ability to produce robust metal parts in the sub-millimeter regime with extreme precision, geometric fidelity, and uniformity. Relative to conventional micromachining, no customer's design is too complex and no part is too small.
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A company I worked for in the 1990s (you might remember it) used a supplier who used similar techniques to manufacture some of the high-precision parts. They also had a different supplier make aluminium castings inside a centrifuge to reduce voids in the cast result. There are some pretty awesome engineering technologies out there. 
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David Alan Gilbert

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This is an interesting historic back story from +bigclivedotcom I'd missed last year.
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Following some links via the Gizmodo page that +Mark Lewis posted, took me to the IEEE page of robot videos and this scary thing - you can see that thing carrying something off!
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David Alan Gilbert

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Hey there! I'm a red squirrel from Formby, Merseyside.
(There's a protected area for them there since the nasty grey squirrels are out competing them; though this is the only one I saw, far up a tree).
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Apparently pine martens are a possible solution to gray squirrels.
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David Alan Gilbert

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http://allenai.org/  seems to have a lot of neat projects;  I'd followed the Allen Brain institute for a long time.
AI2, founded by Paul Allen and led by Dr. Oren Etzioni, conducts high-impact research and engineering to tackle key problems in artificial intelligence.
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David Alan Gilbert

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I've just read bash's docs on command substitution for the first time - I wish I'd read them 20 years ago.  Things like being able to do:

!name:s/foo/bar/:p

to repeat the command starting with name, substitute foo for bar and then print the command rather than executing it;  but then I mentioned that and someone mentioned 'fc' for interactive editing which is something I've also never got around to using.

I really should given that these days I work with command lines that could be small novels.
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Yeh, no way am I going to remember all of them, but perhaps I might pick up a few; I suspect I might start using 'fc' instead though.  I do find myself editing huge qemu command lines when debugging stuff and finding I need to tweak an option on a device half way along it
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