* Posts by Destroy All Monsters

15448 posts • joined 3 Jun 2008

If we're in a simulation, someone hit it with a hammer, please: Milky Way spews up to 100 MEELLLION black holes

Destroy All Monsters
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Re: Quid of dark matter then ?

Stupidly I erred in the above calculation, not being helped by El Reg's tendency to delay my missives and pass them by Oompa Loompas of Colour enslaved in disused London underground tunnels and trained to detect dangerous levels of Badthink.

The dark matter content of the galaxy is 80% of its total mass (21 / (21+5)), not 21%, leaving out dark energy (is that right?), so we are looking for 5.6*10^11 dark mass, of which the millions of Black Holes would only be 5 thousands....

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Holmes

Re: Quid of dark matter then ?

No.

The mostly excellent Natalie Wolchover has a writeup at Quanta Magazine: Scientists Unveil a New Inventory of the Universe’s Dark Contents

The analysis, posted on DES’s website today and based on observations of 26 million galaxies in a large swath of the southern sky, tweaks estimates only a little. It draws the pie chart of the universe as 74 percent dark energy and 21 percent dark matter, with galaxies and all other visible matter — everything currently known to physicists — filling the remaining 5 percent sliver.

100 x 10⁶ 30-solar-mass black holes = 3 x 10^9 solar masses.

The Galaxy total (dark and light) is around 7 x 10^11 solar masses., 21% of which is 1.5 x 10^11. So the unseen black holes would be 1% of that DARK MASS (cue ominous Back music on the organ)

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Your top five dreadful people the Google manifesto has pulled out of the woodwork

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Then there are people who write articles while standing on the Good side.

Meanwhile: Perhaps Shame Still Exists? "No Google Doodle today in the Land of the Free and the Home of the Brave."

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Florida man is world's fastest flasher: Just 53 quintillionths of a sec

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Re: What electrons?

Where?

In the cloud! The cloud of complex-valued probability!

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Re: I Love Science!

There is nothing wrong with paying boffins to fire attolasers while you play the Game of Thrones with a winning hand!

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China can't find anyone smart enough to run its whizzbang $180m 1,640ft radio telescope

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Yes, they will look at "affirmative action policies".

Then hire a asian "honorary white" straight male.

Chinese aren't into SJW shenanigans.

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Facepalm

Is this a China thing?

They need someone who knows astronomy and can manage (and additionally, someone who knows local cultural elements and can navigate the famously problematic corridors of PRC state institutions?)

That makes no sense.

Jusrt get a good manager who can listen to advisors, FFS.

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Google's macho memo man fired, say reports

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Trollface

The truth

They said that if DRUMPF got elected we’d have scientists silenced just for speaking out against the grain, and they were right!

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Re: The guy's a bigot

Full Ack!

Bigotry, is a crime, especially when vox populi has detected it. And cherry-picking research in one's support against the immense amount of affirmative-action success stories is even crimer. What's next? Citing Charles Murray??

That guy can't be fired enough.

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Big Brother

Goodthink upheld!

A MiniTrue autonomously driven vehicle cunningly disguised as an anime character has been seen leaving the building with the perp inside. The unperson will be ecologically-mindfully disposed of.

Get back to work!

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Google diversity memo: Web giant repudiates staffer's screed for 'incorrect assumptions about gender'

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Mushroom

"Google’s suggestions for “American scientists” are famously Woke, with blacks dominating the list."

“A diverse mix of voices leads to better discussions, decisions, and outcomes for everyone.”

If you wanna go to Sudan to wallow in diversity cargo-cultism, you know how to do that.

Meanwhile: Google's Rotten Core of "American Computer Scientists"

The two idiots from the Goog are pretty much up front, wonder why.

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To truly stay anonymous online, make sure your writing is as dull as the dullest conference call you can imagine

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HIT THEM IN THE FACE WITH A CROWBAR!

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Gimp

"Bored!"

It looks like the animated young lady is explaining her darker fantasies to the professionally disdainful domme. Action soon!

(... I have got to get my mind out of the gutter.)

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Forget Iran and North Korea. Now there's another uranium source

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Intriguing

Unfortunately, there has been no confirmed observation of primordial black hole boiloff via Hawking Radiation so far. Do they exist?

There was this article on Gold Production in Quanta Magazine recently: A New Blast May Have Forged Cosmic Gold, but it was about Supernova vs. Neutron Star merger only.

Also:

The gravitational interaction between the pair causes the black hole to devour the neutron star inside out.

I would say the Black Hole is rapidly decelerating in the Neutron Star then settles in its middle while having an amazing full-fat meal with a side dish of transfat fries.

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Re: Centrifugal force?

Phew lad! This discussion is as old as Internet "I am even geeker than you ultrageeks" contests and still being pursued by high scoolers everywhere.

Learn2GalileanVsRotatingReferenceFrames

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Particle boffins show off 'cheap', cute little CosI, world's smallest neutrino detector

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Re: How many particles are there?

Never mind so called "black matter", how many particles are there?

That actually depends on the observer!

An accelerating observer sees additional particles in front while particles towards the back are disappearing behind an event horizon. See: Rindler Metric (no I am not a specialist). This is apparently related to new particles being pumped out of black holes (and are black holes only largish particles?)

And then there are the virtual particles, which are literally uncountable...

It is best to think that there are no fixed amount of particles, as these are just answer to a question asked of the corresponing particle field---

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Headmaster

Re: "Sizes for working neutrino detectors might continue getting smaller."

Reminder that future muon factories present a Neutrino Hazard.

Yes, really! Potential Hazards from Neutrino Radiation at Muon Colliders - January 1999

Prepare for Greens Waving Boards.

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Holmes

Re: Typo

I still don't think this is right.

The "Spallation Neutron Source" produces neutrons from slamming mercury with protons.

Directly from Le Wiki-Pédia:

The spallation process at SNS begins with negatively charged hydrogen ions that are produced by an ion source. Each ion consists of a proton orbited by two electrons. The ions are injected into a linear particle accelerator, or linac, which accelerates them to very high energies (eventually to 90% the speed of light).[citation needed (no seriously, WTF!)] The ions pass through a foil, which strips off each ion's two electrons, converting it to a proton. The protons pass into a ring-shaped structure, a proton accumulator ring, where they spin around at very high speeds and accumulate in “bunches.” Each bunch of protons is released from the ring as a pulse, at a rate of 60 times per second (60 hertz). The high-energy proton pulses strike a target of liquid mercury, where spallation occurs. The spalled neutrons are then slowed down in a moderator and guided through beam lines to areas containing special instruments where they are used in a wide variety of experiments.

So that's the idea. Where do we get those neutrinos from?

In the extra-interesting presentation about "COHERENT Elastic Neutrino-Nucleus Scattering" by Kate Scholberg ("CEνNS is a possibility but those internal Greek letters are annoying.. CEvNS, pronounced “sevens”... spread the meme!")

we find the explanation on 21 ("Stopped-Pion (πDAR) Neutrinos"):

The proton hits the Hg nucleus, eliciting Pions from nature's infinite bag of probablistic stuff: a pion+ and a pion- (these are quark-antiquark pairs), unsure what happens to the Hg nucleus.

The pion- is captured by another Hg nucleaus with high probability.

The pion+ decays into a muon and a muon neutrino.

The muon then decays into a positron, an anti-muon-neutrino and an electron-neutrino. That last one is the one we want.

Photons are not involved anywhere!

The must be some additional trickery regarding focusing of the neutrinos, we want a beam after all.

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Re: This is quite astonishing. From 100 tonnes to 35Kg.

I remember that the idea floated about how a neutrino detector/emitter pair would be useful was to allow flash traders to send trading information right through the earth and so one-up the competition by a few sub-milliseconds (presumably going via fiber laid on a great circle).

Humanity is doomed.

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Forget sexy zero-days. Siemens medical scanners can be pwned by two-year-old-days

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Re: I'm not sure if the hackers are the worry in this case

"I'd be more concerned with the gamma-emmiting isotopes being injected into my bloodstream."

Why?

Don't you like to consort with grown men in spandex and gaily jump from one high-rise to the next?

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Linux kernel hardeners Grsecurity sue open source's Bruce Perens

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Re: >Ah

That's pretty good coffee in a healthy celtic environment.

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The opposite of "softners"?

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Re: Seems fine to me

Objection, your honor! The Jesuitism of the plaintiff is exceeding all bounds of rational discourse.

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I see!

Grsecurity's agreement, the lawsuit states, only applies to future patches, which have yet to be developed.

Is this like Quantitative Easing 7 Wealth Transfer, the negative economic consequences of which only apply to future taxpayers, which have yet to be born?

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WannaCry-killer Marcus Hutchins denies Feds' malware claims

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Facepalm

"You wanted a miracle, I give you F.B.I.!"

Agent Johnson and Special Agent Johnson will see you now.

The usual stuff: someone in the entierly rotten hierarchy is doing a self-promoting Hunt for the Baddie and is misinterpreting or even misrepresenting technical stuff he/she heard to biggen up the catch before the annual performance review.

Gotta laugh hollowly whenever complete idiots come out in articles and comments and claim the FBI is apolitical, transparent, impartial and somehow competent and we should trust what it says about Trump's Russian Ties (especially the red ones), the guys who did 9/11, or how a muslim guy with mental issues that an undercover inciter picked off the street is the biggest terrorist threat ever.

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Capita's smart meter monopoly is owed £42m by industry

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Porsche Cayenne are leaving the premises!

Well, you have to reach NILPOUND before year's end somehow...

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Childcatcher

"Caught by El Reg"

Vulture on your back!

was caught trying to charge £7m to change a single component in its dual-band comms hub by The Register.

Well, I still don't know whether that charge was justified or just a case of a report being afraid of big numbers.

Can we have an update, please?

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Trump-backed RAISE Act decoded: Points-based immigration, green cards slashed

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Holmes

"Muh Russia Investigations ... will yield something any time now ... any time!"

It's another White House distraction from the Russia investigations.

It's been about 12 months now. At this point, even Pizzagate has more raw evidence.

Did Hillary Scapegoat Russia to Save Her Campaign?

Yeah, that.

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Trollface

Yes, and?

Americans Shocked to Learn Emma Lazarus "Poem Technically Isn't US Law"

It turns out that the US actually has border, who would have thunk it?

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New iPhone details leak: Yes, Apple is still chasing Samsung

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Paris Hilton

Wut?

a frenzy of Steve-Bannon-like onanism

What is this I don't even.

Was an editor absent or too plastered at the downstairs pub?

Anyway this bezel-less phone may be a step in the direction of handhelds that can be assembled during meeting or class into a bigger screen / computer, an idea found in Alastair Reynolds "Pushing Ice" and probably elsewhere. Might be nice.

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Amazon admits flouting sanctions by flogging consumer tat to Iran

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Trollface

Wow these Galactic Empire sanctions are really serious!

Also reminder that any operation performed in dollar falls under the purview of US american courts, so you better not trade in dollar anywhere anytime lest you want to look at a travel interdiction, extradition order or light droning ("executing anywhere anytime", a diplomacy push by President Bushbama)

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Scary news: Asteroid may pass Earth by just 6,880km in October

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Re: Er, what defences?

"Er, what defences? "

Prayer! Pray really hard!

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Another US government committee takes aim at Kaspersky Labs

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Chess champ Kasparov, for one, welcomes our new robot overlords

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Nothing beats hands-on experience.

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Destroy All Monsters
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Terminator

Re: Kasparov ... was creamed by IBM’s Deep Blue computer in 1997

Playing a human, a good chess player will think along the lines of "it appears my opponent is trying to develop his queen's bishop, but I can block that if I advance this pawn ..."

Maybe "good" ones but I remember a paper about the "best" and they do not think tactically like that but go for board pattern matching. I don't find it back though. Oh well.

Chess is a game in which you can steamroller any human. In the past. Any other game, humans will be steamrollered. In the future.

What can you do with an apebrain that has ~7 slots free for short term memory? I laugh.

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Destroy All Monsters
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Headmaster

Oh Jeez not THAT again

Human stewardship of computers will always be required, he said, because while programs are very good at doing the repetitive tasks, they aren’t good at intuitive leaps.

Completely confusing the medium (the program) and its runtime qualities (intuitive leaps or repetitive tasks, both are possible and in the eye of the beholder in any case).

That discussion has started in the 50s or so and people still are confused! WTF!

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It took DEF CON hackers minutes to pwn these US voting machines

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Holmes

I don't see why this was downvoted.

“Elections have always been the concern and constitutional responsibility of state and local officials. But when Russia decided to interlope in 2016, it upped the ante,” said Douglas Lute, former US Ambassador to NATO and now principal at Cambridge Global Advisors.

It's the permanent "Saddam has WMD / Iran will have The Bomb next week / Ghaddafi is a threat to (whatever) / Assad killed his own people" side-quote mental hammering that we have had to endure for 20+ years. This goes on until SHTF to everyone's contentement and neocons basically get to fap fap live on TV while people are dying. At least the unsufferably over-compensating micro-mussolini McCain is now riding into the sunset, though not before having been anointed American War Jesus For Liberty & Freedom by the usual presstitutes. Sad!

Well, after the latest House dumbass attack the war with Russia is pretty much official in any case ("Sanctions" you say? Well, you don't that kind of "sanctions" w/o expecting the shooting to start soon somewhere.), Let's have fun, f*ck the EU etc.

Meanwhile, about the "January 6" smoking mushroom assessment:

In a memo to President Trump a group of former U.S. intelligence officers, including NSA specialists, cite new forensic studies to challenge the claim of the key Jan. 6 “assessment” that Russia “hacked” Democratic emails last year. .

And also: NYT Finally Retracts Russia-gate Canard (well, the reinstated it the next day, can't be American Pravda without a bit of chutzpah now, can you?)

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Systemd wins top gong for 'lamest vendor' in Pwnie security awards

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Paris Hilton

The Norks did WannaCry? Russia did the Shadow Brokers?

The epic 0wnage award was split between North Korea and Russia for launching the WannaCry ransomware contagion and masterminding the Shadow Brokers, respectively.

Frankly, this spounds like a sponsored politicial message and rather out of place.

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The opsec blunders that landed a Russian politician's fraudster son in the clink for 27 years

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> law-abiding Russian equivalent of the FBI

The FBI ... law-abiding?

Say, I have a nice bridge, you may be interested...

All power centers work the same.

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Destroy All Monsters
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Holmes

Well, what do you think?

"Oh no it's that misbegotten son of you-know-who. Can you drop a hint to persons upstairs that he should stop this bullshit, maybe?"

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Black Helicopters

Ah nuuu Cheeki Breeki!

I'm still working on my first USD 17m. When I arrive, I will need USD 25m for the same purchasing power.

But the following month (i.e. April 2011) the Feds – and Seleznev – suffered a serious setback. The Russian was seriously injured in a terrorist attack while holidaying in Morocco, and spent several months in a coma.

Weird coincidence, that. Who is controlling Moroccoan terrorists?

Gov Uk says:

Attacks could be indiscriminate and could target foreigners. In April 2011, 17 people were killed and 25 injured in a large explosion caused by a bomb in Marrakech at the Argana Restaurant in Djema el-Fna Square.

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Twitter's twits turned troll's tech taunt into thought-provoking tonic

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Re: Actually amazing

Change the skillset? Too many people think

Too many people may think but it still takes committment and money. Plus, it's not only the language, but the whole system around: IDE, libraries, principles, architecture, O'Reilly Books.

Plus, quite a few developers cannot even properly write code in the language in which they are supposed to be the master, I have seen things you wouldn't believe.

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Alien

Actually amazing

Where do they get the money and assurance from to change everything including the skillset?

Most companies would suicide themselves downstairs in a wheelchair even attempting to do so.

No redo everything in elm, please.

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Astroboffins discover that half of the Milky Way's matter comes from other galaxies

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Re: Solexit

The galactic enrichment will be great, I tell you. Why, quite a lot of stars have extragalactic-sounding names already.

up to one million light years away

That's smaller than the local group by quite a bit: Local Group

It basically includes the "dwarf galaxies" around The Galaxy, and yes these are regularly hoovered up for stray materials if not swallowed whole.

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Tired: Java. Desired: Node.js. Retired: The suggestion a JavaScript runtime is bonkers

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Into the tarpit!

cooperative multithreading was similarly disparaged by purists

Well, those purists noticed that one deep-stack call or one long-running or even never-returning function would mess your system up badly. This low-budget approach was thus rightfully thrown into the river.

OS got processes and even threads which were scheduled by the CPU, so every code could play in its garden, safely. The world breathed in relief.

Now we are back where we started because someone made the decision to throw away task switching and replace it with the illusion of optimizing aways context switching overhead. Of course context switching overhead does not magically go away at all, you have just moved it from the OS to your runtime like a first-semester student.

As Vagg described, Node developed out of creator Ryan Dahl's observation that most programming is biased toward blocking-style code, where operations happen in a linear order. Node favors non-blocking, asynchronous programming, which turns out to be a much better way to deal with data that may or may not be immediately available when requested. Blocking code stops while it waits for data; non-blocking code can deal with other tasks.

Protip: "stops while it waits for data" means the CPU is given to other tasks in a thread/process-oriented way, "non-blocking code can deal with other tasks" means you have to do the context switch yourself and schlep the mess of the callback handler around too. Enjoy not using an OS for what it is meant for.

"Asynchronous programming is much more like we interact with the world," said Vagg.

Are these people just completely confused or are they actually so intelligent that they are just dumb again?

"Node.js is emerging as a universal development framework for digital transformation with a broad diversity of applications"

It's not unlike a bog then. I wonder how many billions went down the drain in this particularly horrible IT fad driven by Google and other more-money-than-sense outfits? The fact that "developers" are ready to use this language for a "diversity of applications" also speaks volumes about the commen sense levels in this "industry". It's like digging one's own grave in the swamp of technical debt.

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US spies hacked our phones over the air, claim pipeline protesters

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There is not even a need to "hack the phones" as everything passes through switches tapped by TLAs.

This "transcribing" business sounds schizophrenic.

Reminds me of the antiwar protests of 2010 or so where "micro-drones" the size of dragonflys were spotted. No use explaining to the "seers" over the 'net that technology for this is about 20 years away or so, They were probably dragonflys if they existed at all.

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Apollo center fundraiser: That's one small check from man, one giant leap for our peace of mind

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Re: Park Service cutbacks?

> And no billionaires with some pocket cash to spare?

One could even ask Obama The Droner Prez. He's currently raking in promised kickbacksspeaking fees and not even spending anything. (Plus a ghostwritten "book deal" at 65 million, the mind boggle)

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Re: Back Lot

I have this quote which I wanted to post:

"We reached the Onion Singularity years ago; kind of like the Turing Test, it’s when the average reader can no longer reliability differentiate between “serious journalism” and satire"

(This was written in cotext with Congratulations to the Red Cross for Beating Donald Trump at His Own Game: Racism, but it applies here.

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China crams spyware on phones in Muslim-majority province

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In China, "draconian" means burning down cities to shut up revolting citizens of dubious ethnicity.

But I'm not gonna get worked up about enforced surveillance of the Muslim Far West of the PRC. Actually, I let the NGOs take care of that.

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Find your happy place: Fedora 26 has landed

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Re: Happy place

Grin and bear it.

It's like the New Deal: A total catasrophe implemented by crazies bringing nothing but pain & destruction that everyone will laud as the best idea ever after some time.

And truth be told, I am starting to appreciate it as it simpklifies life a lot in certain cases. It is the right direction to take. Not sure whether it is the right way to take it.

Let's do this. Installing KDE spin now...

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