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Man falls onto train tracks in Boston

chingalera says...

Man energetically lists onto tracks with hands in pockets-Welcome to the damaged world of mental deficiency, acute depression, or peer through a window into human suffering and get that full dose.

How to Photograph the Earth from Space

charliem says...

Interesting info:
The colourful dots you see all over the shot at the start as he is talking, are pixels in the CCD of the camera that have been hit by radiation from space!

The pixels have been exposed to energetic particles with such intensity that they no longer see a gradient between light and dark, its all light....the pixel has been 'saturated' to the point of damage.

The detail is best seen in full screen @720p. You wont see them in the lower-resolution streams.

Skinny Lister - Rollin' Over - CARDINAL SESSIONS

Best/Worst Entertainment of 2012 Thread (Cinema Talk Post)

dystopianfuturetoday says...

Radio: My favorite discovery of 2012 is "Radio Lab", a story telling show reminiscent of another favorite, 'This American Life', but with a much more sophisticated sound design. All episodes are available for free in the podcast section of iTunes.

Music: I fell in love with the New Orleans second line scene after Issy and I paid a visit to the crescent city this year. We saw the 'Rebirth Brass Band' live and had a great time. We also had a mini-meetup at the show with @dotdude. New Orleans music culture is like no other.

Music: Louis Cole & Genevieve Artadi: Highly unique and energetic electro-acoustic music. Hard to explain.

Music: Austin Texas band 'The Black Angels' - Dark, bluesy rock obviously influenced by the Doors. To be honest, I'm not crazy about blues rock or the Doors, but 'The Black Angels' manage to meld these influences into something I really dig.

Music: UK band, 'Metronomy'. Their sound is eclectic, hooky and heavily influenced by all the cool British 80's bands I loved as a kid. Goes down easy. Works in the background as well as the fore.

Movies: Django and Looper were the two films that captivated me from start to finish. Both films by gifted auteurs, one at the top of his game, the other on the rise. Great writing. Great Directing. Great performances.

Horror movies: The Cabin in the Woods (A clever and absurd meta-horror mashup) and the The Lady in Black (A classic, classy ghost story) both satisfied. It's nice that there were a couple of diamonds in sea of Paranormal-Activity-esque-found-footage detritus.

TV: same stuff that everyone else likes - BB, GoT, DoAb and Sherlock. I also got into Always Sunny in Philadelphia this year - very dark, very funny.

Books: Started a bunch, finished very few. Nothing to recommend. "Checklist Manifesto" is pretty interesting so far - it's about how the brain functions (or fails to function) in the information-dense present.

Games: 'Xcom' was a worthy update of the original. Loved all the detailed micro/macro strategy. 'Journey' was beautiful and fairly moving for a videogame.

Solar Roadways

criticalthud says...

yes i'm not saying the roads are consistent, only more consistent than the shoulders.
Roads are generally no less than the width of 2 cars. Some consistency cuts manufacturing costs which will eventually be a factor in EOREI (energy returned on energy invested). Can it work....uhhh dunno. Many roads are created sectionally as it is. which is good. but yeah i have to worry about chains, rocks, studded tires....
Legally you wouldn't have any "takings" issues.

But IMHO, most technical solutions are further away than the more immediate solution - education, family planning, and worldwide contraception programs. the real problem is that there are too many people on the planet. We are consuming more of the ecosystem than we replenish. we need to USE less, but that necessarily means less people...which = more resources available per person, and less emissions.
Meanwhile keep working on the tech side to create efficiency.
Conceptually however, it is interesting to look at roads in energetic terms. They do produce all sorts of heat (and friction) and kinetic energy.

hatsix said:

The most consistent thing about the roads themselves is that there are cars on them. More so with parking lots. The Gas Station had way more than enough roof area to cover it's electricity usage, no need for putting panels underneath parked cars.

A light coat of dust on panels can decrease their efficiency by up to 50%... there would have to be a CONSTANT fleet of road washers, slowing down traffic. At least with roof/road mounted panels they can be tilted to shed most of the dust/pollen that accumulates, though they do have to be washed monthly.

And then there's the question of what happens with accidents. Sure, the tensile strength might be as strong as steel, but it's because of the enormous pressure it's under. it only takes one flaw in the surface to make the glass susceptible to shattering... just the thing to make car accidents more hazardous.

Michio Kaku: Can Nanotechnology Create Utopia?

L0cky says...

It's not a science video...
>> ^hpqp:

Oh please, this is just bad science. It's barely even worth cheap sci-fi. Where do you get the energy to run the replicator, eh? Does entropy ring a bell? Even without replicators humans are draining the earth of it's energetic resources (including the "sustainable" ones)...
Nice philosophical mindgame, like all utopias for that matter, but nowhere near hard science.
philosophy

Michio Kaku: Can Nanotechnology Create Utopia?

TheFreak says...

>> ^hpqp:

Oh please, this is just bad science. It's barely even worth cheap sci-fi. Where do you get the energy to run the replicator, eh? Does entropy ring a bell? Even without replicators humans are draining the earth of it's energetic resources (including the "sustainable" ones)...
Nice philosophical mindgame, like all utopias for that matter, but nowhere near hard science.
philosophy


Our world is full of achievements that were once beyond the ability of hard science.
How can humans possibly communicate over hundrends of miles? We're already yelling as loud as we can.
How can we possibly run faster than cheetahs? Our legs can't move any faster!
How can I kill Og standing all the way over there? Rock not throw farther!!!

Ultimately, all life shares one common goal; the quest for energy. From single cell creatures harvesting light, heat or chemical reactions to survive...all the way to modern humans with their agriculture, technology and complex social structures; the journey of evolution has been the race for more efficient means of acquiring and managing energy.
Our economies are elaborate means of trading energy.
Our societies organized to maximize the collection of energy.
Our governments created to ensure equitable distribution or energy.

The result of millenia of advancement is that we now expend much less energy to acquire a larger return of energy. And all that excess energy creates the complex world we live in.

But there is the potential, in the future, for technological advancements in science that will create a massive paradigm shift. There is the potential for accessible energy to become inexhaustable. And when the cost, in terms of human effort, of energy approaches Zero....everything changes.

Will the end of human need result in a utopia?
LOL...never. Because we'll always have griefers.

Michio Kaku: Can Nanotechnology Create Utopia?

hpqp says...

Oh please, this is just bad science. It's barely even worth cheap sci-fi. Where do you get the energy to run the replicator, eh? Does entropy ring a bell? Even without replicators humans are draining the earth of it's energetic resources (including the "sustainable" ones)...

Nice philosophical mindgame, like all utopias for that matter, but nowhere near hard science.
*philosophy

Die Antwoord - "Fatty Boom Boom"

eric3579 says...

Yo, Hi-Tek, you think you could fuck with something like this?

[Beatboxing]

Don't you mean something like this?

Yeah, that's perf. Yo-Landi, do that thing.

Eh Fatty Boom Boom
Hit me with the Ching-ching
Not fokken thinking, dolla eye twinkling
Just a bit of junkie,
Let's not get too funky
Ohh ohhh ooh ohh

When I'm on the mic it's like murder murder murder!
Kill kill kill!
Wat se Suid-Afrika?
Suig my fokken piel.
Hier kom ek weer
Like a lekker a smack in the face
Rappers are fokking pouring into passenger planes
What happened to all the cool rappers from back in the day?
Now all these rappers sound exactly the same
It's like one big inbred fuck-fest
Sies
No, I do not want to stop, collaborate or listen

Jimmy, Jimmy, Jimmy hold on to your ching
I'm takin' over America, blowin' up everything
Physically fit, the Ninja very energetic
If you haven't got it by now, then you're never gonna get it
I whip my dick out and piss on all the hard-up 'n fokken rap
Got an offshore account for dollar bills in a stack
Fuck rap
I'm siding with China we not fokken related
Like a methfest, like the first time I ejaculated.

Eh Fatty Boom Boom
Hit me with the Ching-ching
Not fokken thinking, dolla eye twinkling
Just a bit of junkie,
Let's not get too funky
Ohh ohhh ohh ohh

Eh Fatty Boom Boom
Hit me with the Ching-ching
Not fokken thinking, dolla eye twinkling
Just a bit of junkie,
Let's not get too funky
Ohh ohhh
Hi! My name is Yo-Landi fuckin' Visser
Fight fight fight!
Kick you in the teeth, hit you on the head with the mic
There's a rumble in the jungle I'm (something) to beat em
Not looking for trouble but trouble's looking for me
M'uppercuts're fokken swollen with nothing just come for free
I used to think I'd always kill this to hustle something to eat
South Africa used to be a twangy'd, (y'know dat's me)

Suddenly you're interested 'cause we're blowing up overseas
Make you money money money
Yes yes yes
Zef side represent
You're fuckin' with the best

I'm a upper
Twangies get buffed like a sucka
Bokka Bokka
Yippie-ki-yay motherfucker!

I'm a big deal (wiv de seen my niggas rollin' me)?
Now I'm having so much fun I can't even go to sleep

Yo-landi!
What?
Where you at?
Here I am!

Spitting fokken lyrics like bam bam bam!

Eh Fatty Boom Boom
Hit me with the Ching-ching
Not fokken thinking, dolla eye twinkling
Just a bit of junkie,
Let's not get too funky
Ohh ohhh ohh ohh [x2]

We keep it lekker lekker lekker, zef zef zef
Spend all my fuckin' money til' there's nothing left
I'm a fat cat, keep the change I don't need the slip
With this fat sack of dagga I'm smoking a spliff
In my mat blacks are bottle-haters throwing a fit
Round the corner gooi'n fokken spiff Tokyo drift

My daddy told me there's a lot of fish in the sea
There's just a lotta motherfuckin' money bitches and weed

Ja, dagga dagga dagga, puff puff puff
Bring the beat back Hi-Tek!
Make it rough
We drop the type of beats that make you shut the fuck up and dance
We drop the type of beats so good you're fuckin' stuck in a trance
In the overseas they like to say you're stuck in a trance
We drop the type of beats that make you fuckin' cum in your pants

Pass it to left, like a zef, to the east, to the motherfucken left

Eh Fatty Boom Boom
Hit me with the Ching-ching
Not fokken thinking, dolla eye twinkling
Just a bit of junkie,
Let's not get too funky
Ohh ohhh ohh [x3]

Jesus

Felix Baumgartner freefalls at 1000kph

Gallowflak says...

What is the point of you? This is a great human accomplishment and should be celebrated without any reservation. Enough petulant whining about it being too corporatized or insufficiently scientific. Get that dick out of your mouth and revel in the remarkable things mankind is capable of.

Less self-indulgent cynicism, more energetic humanism.

Perpetual Motion Machine

GeeSussFreeK says...

>> ^Kalle:

One serious question that bothers me is.. why isnt it possible to use gravity as an energy source?
Would such a machine be a perpetual motion machine?


Gravity is REALLY weak. Like 36 orders of magnitude less than the electromagnetic force. 36 orders of magnitude is massive...larger the the total number of stars in the known universe. For instance, a fridge magnet is defeating the ENTIRE gravitational force of the earth AND the sun. Gravity makes for a great way to bind the macro-universe together, but it is shit as an energy source.

Also, gravity has only one polarity...and it doesn't turn off. So for the EM force, we have 2 poles that can be switched around via electrical current to make lots of different energy related things. But for gravity, you just have one ground state, and once you are there you need to input energy to get away from that ground state...no way around that. However, what has been done and is done in certain areas is to have a closed system where you apply energy at certain time and store that energy for later. The example most commonly used is in dams, where the will pump a large volume of water back up stream (potential energy) and store it (a gravity battery if you will) and release it as a later time when demand is high. This is always a loss based way to make energy; your going to spend more pumping it back up (heat loss and other losses including evaporation) than you will when you get it back...so it is just a way to cause demand shifting towards other hours with additional entropy.

You have 4 fundamental forces to draw energy from; and 3 of those are the only practical ones. Strong (nuclear) force, the EM force, and the gravitational force (the weak force is actually the force that powers the earths core, but isn't useful to use in power generation for a similar reason gravity isn't).

The EM force is what we use in internal combustion engines and electrical motors. Chemical reactions are rearrangements of the electron structures of molecules, which makes gasoline engines possible via liquid to gas expansion pressures. Generators deal with EM fields, polarity and current which is what drives thermal reactors like coal or can drive a car with a motor via conversation of stored electrical energy(just a backwards generator). Nuclear reactors deal with the strong (nuclear) force, and combine that with kinetic/thermodynamic forces of same flavor as coal and other thermal plants.

Even gravity isn't perpetual, the orbits of ALL celestial bodies are unstable. Gravity is thought and reasonably well satisfied to travel in waves. These waves cause turbulence in what would seem calm orbits, slowly breaking them down over time...drawing them closer and closer together. Eventually, all orbits will cause ejection or collision.


As to what energy is best, I personally believe in the power of the strong force, as does the sun . When you are talking about the 4 forces and their ability to make energy for us, the strong force is 6 orders of magnitude greater than other chemical reactions we can make. The EM force is not to much weaker than the strong force, but the practical application of chemical reactions limits us to the electron cloud, making fuels for chemical reactions less energetic by a million to a billion times vs strong force fuels. Now, only fission has been shown to work for energy production currently, but I doubt that will be true forever. If you want LOTS of energy without much waste, you want strong force energy, period. That and the weak force are the 2 prime movers of sustained life on this planet. While the chemistry is what is hard at work DOING life, the strong and weak force provide the energy to sustain that chemistry. Without it, there are no winds, there is no heat in the sky nor from the core, no EM shield from that core. Just a cold, lifeless hunk of metals and gases floating in the weak gravitational force.

Sorry for the rant, energy is my most favorite current subject



(edit, corrected some typos and bad grammar)

How it's Made: Soap Bars

chingalera says...

The narrator's cheerful, energetic voice combined with the ballet of machinery, not to mention the product that's being manufactured which has never failed to fascinate.....oh and don't forget the Moog soundtrack???-"Two tumbs uuuuup!"

Camp stove generates electricity for USB charging

bmacs27 says...

>> ^GeeSussFreeK:

@spawnflagger and @bmacs27
This wiki is one of the things I consult often.
http://en.wikipedia.org/wiki/Energy_density#Common_energy_densities


Regardless of how effective you make burning wood, it will NEVER be as energetic as the same volume of gas or petrol. And if gas/petrol/coal engines are out of reach financially, burning wood for electricity most likely will be as well. Though, spawn pointed out perhaps it supplying a regular stream of electricity of very little energy makes up for the lack of conductivity of poor communities. I don't tend to share that opinion and think that their standard of living will only be greatly improved with access to very large amounts of cheap energy; the difference between starting up a camp fire and an actual power plant. Helping a poor society charge connected devices isn't what catapults counties into the first world, having an infrastructure of energy is.
And ya, they are using a TEGs for electrical generation. It provides the lion share of energy to the fan that is helping aid complete combustion for the smoke reduction. This is why it is such a poor electrical device, TEGs are horrible in the efficiency department. You could get far more electrical output via some type of steam device burning wood than this; which would more than likely benefit an entire town via its considerable electrical output (for the third world). But it should be known before hand that wood burning is dirty business. Even if you engaged in catalytic conversion of carbon monoxide, burning wood on a large scale for electrical generation would have similar effects to the health of a community as a coal fire plant; perhaps worse because it would be located much closer to the population than coal fire plants usually are.
And to be fair to this thing, I think it is pretty cool...but for the first world. Unless they are literally handing these out in the third world, it will do them no benefit, and the money they spend handing these out...they could be installing a power distribution system with an actual power plant and improve their well being by orders of magnitude.


Now this I disagree with. They are right that most third world countries are using wood cooking fires anyway. So simply the smoke and emission savings over that are worthwhile. The electrical generation is a nice side benefit, and many of those countries are seeing the proliferation of small electrical devices, e.g. cell phones and leds. I think it's a device that could greatly improve the lives of people in less developed communities (especially the home stove version).

Camp stove generates electricity for USB charging

GeeSussFreeK says...

@spawnflagger and @bmacs27

This wiki is one of the things I consult often.

http://en.wikipedia.org/wiki/Energy_density#Common_energy_densities

Regardless of how effective you make burning wood, it will NEVER be as energetic as the same volume of gas or petrol. And if gas/petrol/coal engines are out of reach financially, burning wood for electricity most likely will be as well. Though, spawn pointed out perhaps it supplying a regular stream of electricity of very little energy makes up for the lack of conductivity of poor communities. I don't tend to share that opinion and think that their standard of living will only be greatly improved with access to very large amounts of cheap energy; the difference between starting up a camp fire and an actual power plant. Helping a poor society charge connected devices isn't what catapults counties into the first world, having an infrastructure of energy is.

And ya, they are using a TEGs for electrical generation. It provides the lion share of energy to the fan that is helping aid complete combustion for the smoke reduction. This is why it is such a poor electrical device, TEGs are horrible in the efficiency department. You could get far more electrical output via some type of steam device burning wood than this; which would more than likely benefit an entire town via its considerable electrical output (for the third world). But it should be known before hand that wood burning is dirty business. Even if you engaged in catalytic conversion of carbon monoxide, burning wood on a large scale for electrical generation would have similar effects to the health of a community as a coal fire plant; perhaps worse because it would be located much closer to the population than coal fire plants usually are.

And to be fair to this thing, I think it is pretty cool...but for the first world. Unless they are literally handing these out in the third world, it will do them no benefit, and the money they spend handing these out...they could be installing a power distribution system with an actual power plant and improve their well being by orders of magnitude.

Mountain Biking With Man's Best Friend



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