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Jürgen Hubert
Works at Fraunhofer Institute for Wind Energy and Energy System Technology
Attended Friedrich-Alexander-University, Erlangen-Nuremberg
Lived in Erlangen, Germany
25,458 followers|5,819,589 views
Have him in circles
25,458 people
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  • Friedrich-Alexander-University, Erlangen-Nuremberg
    physics, 1995 - 2002
  • RWTH Aachen
    Computational Materials Engineering, 2004 - 2010
Basic Information
Fraunhofer IWES
Hi! I'm a 37 years old physicist with a PhD in Computational Materials Science currently living in Kassel, Germany and working in the field of Smart Grids and Renewable Energies.
Bragging rights
Likely has a cooler job than you do.
Helping to develop the software infrastructure for Smart Grids
  • Fraunhofer Institute for Wind Energy and Energy System Technology
    2011 - present
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Erlangen, Germany - Edinburgh, UK - Aachen, Germany - Columbus, Ohio - Kassel, Germany


So it's not just in Ingress, +Sarai Pahla!
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Our neighborhood had a blackout for five minutes! It's almost as if we lived in some Third World country!
Tiago Hackbarth's profile photoMark Craddock's profile photoNenad Ristic's profile photoest naiviv (謝予穎)'s profile photo
Here in the greater Cincinnati area a decorated firefighter perished battling a blaze in an apt building. Last night the news ran a story because the tenants are unhappy it will take several weeks to repair the damage, when they felt the weekend should be enough time. The firefighter's funeral hasn't even occurred. No one else was hurt, thankfully.
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Jürgen Hubert

Arts & Entertainment  - 
Well, this looks interesting...
I want to see this be a thing I can play. Holy cats am I excited about the idea of games and stories from African nations reaching wider audiences!
Developed in central Cameroon, Aurion is facing challenges and telling stories that are very different to most games...
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Interesting and worrying.
The North Atlantic between Newfoundland and Ireland is practically the only region of the world that has defied global warming and even cooled. Last winter there even was the coldest on record - while globally it was the hottest on record. Our recent study (Rahmstorf et al. 2015) attributes this to a weakening of the Gulf Stream System, which is apparently unique in the last thousand years. The whole world is warming. The whole world? ...
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That isn't a good picture at all. 
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...I'd like to point out once again that public universities in Germany charge no tuition fees. And an increasingly large number of them even offer English-language courses and degrees, so you don't even need to learn the language (though it's still strongly recommended)!
NYU now costs $71,000 a year to attend. One student is protesting.
Miguel Alejandro Gamboa's profile photoJürgen Hubert's profile photoPeter van der Linden's profile photoest naiviv (謝予穎)'s profile photo
Theoretically this may be possible, but in practice it very much depends on your field. And this sounds like a field outside of my area of expertise, sorry.
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Jürgen Hubert

Discussion  - 
Eerie locations of the East.
In a remote corner of the forests north of the Dead Village, the two star-crossed lovers of the Wolverine Tribe and the Yellow Seal Village, as well as their betrayer from the latter, re-enact their drama on certain dark nigh...
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This is crazy. Being shot just because!
Corporal Christopher Carter works for the University of the Incarnate Word campus police. In spite of shooting Robert Cameron Redus, a 23-year-old student
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est naiviv (謝予穎)'s profile photoCory Westgate (Saint Baal-MAŠ)'s profile photoSakari Maaranen's profile photoOle Albers's profile photo
+Mario Gutierrez so, driving drunk, accusing the "cop" pointing a deadly weapon at one's unarmed person of being a rapist, and attempting to grab said deadly weapon are heinous crimes so terrifying that that that ersatz officer had no choice but summary execution?

Why didn't he just move back? Why did he draw it in the first place? He's not in a war zone.
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Jürgen Hubert

♦ Private Kleinanzeigen  - 
Ich bin derzeit auf Stellensuche, und sobald ich einen Job finde, ziehe ich wahrscheinlich in eine Stadt mit teureren Wohnraum als Kassel. Dies bedeutet, daß ich meine Büchersammlung stärker reduzieren will. Daher biete ich folgende Rollenspielbücher an:


Aberrant Player's Guide (€8)
Elites (€5)
Expose: Aberrant (€2)
Fear and Loathing (€2)
Teragen (€6)
The Directive (€5)
Year One (€5)


Alle GURPS 3E-Bücher kosten €5, falls nicht anders angegeben.

Age of Napoleon
All-Star Jam 2004
Alternate Earths 1+2
Arabian Nights
Atomic Horror
Black Ops
Blood Types
Castle Falkenstein
Castle Falkenstein: Ottoman Empire
Covert Ops
Creatures Of The Night
Deadlands: Weird West
Deadlands: Varmints
Fantasy Folk 1E (€3)
Fantasy Folk 2E
Fantasy II
Grimoire (loose Blätter, €3)
Harkwood (€2)
Horror 3E
Illuminati University
Imperial Rome
In Nomine (€6)
International Super Teams
Middle Ages 1
Old West
Places Of Mystery
Screampunk (€2)
Space Atlas 2: Corporate Worlds
Special Ops 2E + 3E
Stardemon (€2)
Tredroy (€2)
Vikings 1E
Warehouse 23
Who's Who 1+2

GURPS Traveller

Alien Races 1
Alien Races 2
Alien Races 3
Alien Races 4
Behind The Claw
Far Trader
First In
Ground Forces
GURPS Traveller (softcover, €6)
Planetary Survey 1: Kamsii (€2)
Rim of Fire
Star Mercs
Sword Worlds


All The King's Men
Frozen Hell (€2)
GURPS WWII (Hardcover, €7)
Hand of Steel (€2)
Iron Cross
Motor Pool
Return to Honor (€2)
Weird War II

Transhuman Space

Orbital Decay (€2)


Alle €5

Destiny and Shadow
Forge and Shadow
Heart of Shadow
Hammer and Shadow
Hand of Shadow
Honor and Shadow
Legends of Shadow
Minions of the Shadow
Star and Shadow
Steel and Shadow
Under the Shadow

Scarred Lands

Blood Bayou (€5)
Blood Sea: The Crimson Abyss (€5)
Calastia: Throne of the Black Dragon (€5)
Creature Collection Revised (€7)
Creature Collection III: Savage Bestiary (€7)
Echoes of the Past: The Slarecian Legacy (€5)
Hollowfaust: City of Necromancers (€5)
Hornsaw: Forest of Blood (€5)
Mithril: City of the Golem (€5)
Secrets and Societies (€5)
Shelzar: City of Sins (€5)
The Divine and the Defeated (€7)
The Faithful and the Forsaken (€5)
The Penumbral Pentagon (€5)
The Wise and the Wicked (€5)
Vigil Watch: Secrets of the Asaatthi (€5)
Vigil Watch: Warrens of the Ratmen (€5)
Wilderness & Wasteland (€3)

Wenn nicht anders angegeben, sind die Bücher alle noch in sehr gutem Zustand, da ich die standardmäßig mit selbstklebender Einbindefolie einklebe.

Mindestbestellwert €20 (außer für Selbstabholer). Porto ist extra - ich würde nach der Reservierung die Bücher wiegen und das Porto berechnen.

Ich habe die Liste auch auf Tanelorn inseriert. Wer zuerst kommt, mahlt zuerst!
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Wo B's profile photoJohn Geoffrey's profile photoRalf Sandfuchs's profile photoJürgen Hubert's profile photo
+Wo B, +Ralf Sandfuchs und +John Geoffrey, ich habe Euch die Infos via Hangout geschickt.
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Jürgen Hubert

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Since it pops up from time to time in my stream, and as I currently work in the field, I thought I should write about the current status of Germany's Green Energy Revolution.

The Green Energy Revolution was started in earnest by the Social Democratic/Green government coalition of 1998-2003. The goal was to create as much of Germany's electricity from renewable energy sources as possible - perhaps even close to 100%. This would be the work of decades, but I do think this goal is feasible. A major part of pushing renewable energy sources were very generous "feed-in tariffs" - essentially, the German government guaranteed that those who installed new renewable power generation facilities would receive fixed compensation for each kWh they produced and fed into the grid. Furthermore, the Greens fulfilled a long-standing election promises and pushed through a very gradual phase-out of German nuclear power plants.

After 2003, the Social Democrats and Greens no longer had enough seats in the German parliament and Merkel became chancellor. And was is not exactly a fan.

Around that time, prices for PV panels began falling through the floor - but the feed-in tariffs for PV panels weren't adjusted for some time. Which resulted in enormous profits for those installing PV panels, which in turn triggered an enormous boom for them. However, because of the feed-in tariffs the overall electricity prices increased, because the electricity bills paid for the feed-in tariffs. This caused the first (and second and third) Merkel government to introduce all sorts of "exemptions" for "export-oriented industries", which grew to cover more and more companies with only very tenuous links to exports, and "energy-intensive industries", which had the perverse effect of encouraging companies just below the threshold to consume even more electricity so that they could get classified as "energy-intensive". Of course, this increased the electricity bill even further for those who weren't exempt - including private consumers. Thus, while the Green Energy Revolution started out as a fairly popular project, it became less so over time, and Merkel probably thought she was getting close to junking this whole project for good.

Then the Fukushima disaster happened.

And Merkel was panicking. She had always been very vocally pro-nuclear power, but suddenly there was a new disaster that reinforced German skepticism of nuclear power plants. So while she had delayed the closure of nuclear power plants in the preceding years, she now flip-flopped radically and introduced a new plan which would close them far faster than originally planned (incidentally, this radical change in plan seems to have been done so amateurishly that the power companies will likely be able to successfully sue the government for compensation...).

This was not sufficient to prevent the state of Baden-Wurttemberg - one of the most conservative states in Germany - from falling to the first ever Green Party-led state government. However, after that her opinion polls gradually stabilized and increased again - and to Merkel, that's what really matters.

However, you simply can't alter a nation's power supply overnight - it's the work of decades, with careful planning. Therefore the very rapid phase-out Merkel implemented led to a shortage. Which is why the Merkel government started talking about "we need more reserve power!" Which meant coal power - which is the reason why, perversely, German CO2 emissions have increased as of late. If they had stuck to the original plan, this likely would not have been necessary, but her rapid phase-out made things difficult - though they probably overstated the need for it. When the Social Democrats rejoined her government again back in 2013, they only encouraged this - the Social Democrats had always been allies to the coal industry.

Furthermore, the new vice-chancellor and minister for Economics and Energy - one Sigmar Gabriel - had his own plans for sabotaging renewable energy. The worst plan he proposed was charging all consumption of electricity with the fees for the feed-in tariffs (exempting again the "export-oriented" and "energy-intensive" industries). This meant that if someone installed PV panels on their roof, and used up the electricity generated by the panels themselves instead of feeding it into the grid, they would still have to pay those fees.

Which removed all incentives for not feeding all the generated electricity into the grid - a very bad idea, since that would only exacerbate peak production times. To make the renewable energy revolution work, we want people to consume the electricity that they generate. Fortunately, this measure was not fully implemented - but that Sigmar Gabriel was willing to back such a scheme shows how hostile he is to renewable energy sources.

Despite all this, renewable energy sources continue to grow - currently, they represent 25.8% of electricity generation in Germany, and that percentage will likely increase further.

So you might ask: What's the point of renewable energy generation?

If the goal is reduction of CO2 emissions - which certainly is one of the major reasons - then some people might say that Germany should just focus on nuclear power. One argument against nuclear power is the safety angle - while it is possible to build very safe nuclear power plants, they are very complex systems that need very large organizations to run - and the larger the organization, the more likely it is that someone will screw up sooner or later. And if an advanced nation like Japan can screw up as badly as it was the case with Fukushima, then how much can we trust less advanced and corrupt nations with this technology?

Which brings me to my own personal argument against nuclear power: We simply do not trust many nations with this technology. Witness the current negotiations with Iran - we are worried that they will misuse nuclear power for weapons. And apart from this misuse, worrying that poorer nations will cut corners when it comes to nuclear safety and waste disposals is not an unreasonable concern.

So if the rich nations stick to nuclear power in order to reduce their carbon footprint, what should the poorer nations do? If they can't use nuclear power, that leaves fossil fuels... or renewable energy. Obviously, the latter is preferable when it comes to CO2 output.

Which makes it all the more important that a wealthy, technologically advanced nation like Germany tries to implement renewable energy on a massive scale. If Germany can pull it off - make something approaching 100% renewable power generation work, and learns how to deal with its many challenges - then it becomes something for poorer nations to emulate and implement on their own.

So what are the challenges? The price of renewable energy sources is not the issue - while they are still high, they are rapidly falling. Neither wind nor solar power are mature technologies, and they are both improving quickly. The economies of scale have caused a spectacular collapse in price for PV panels in particular.

The main challenge is the intermittency of renewable energy generation - wind power and solar power fluctuate during the day, and from day to day. This can be compensated in part by connecting these energy sources into large-scale grids - while some regions may experience less wind or less sun on some days, some other regions will experience more of it, and thus can compensate for the loss of power generation.

However, this too is solvable. Physical storage systems, such as batteries, will certainly play a part - in particular as electric vehicles become more common. But anything that helps shifting loads or electricity generation is useful here. Gas turbines provide flexible power generation for peak times. Reservoirs, cooling or heating systems can be used to store energy in a non-electric form.

And above all, there must be real price incentives for consuming electricity at certain times while saving it at others. For the private consumers, this usually isn't the case unless they have their own PV panels - even those power companies that offer variable electricity prices have fixed prices for every hour of the day, and the prices rarely vary more than 10% between peak production and peak consumption times. But at the European Energy Exchange, prices vary much more drastically - even sinking down to zero or below it during times of peak production. Such variance in prices must be offered to smaller consumers so that they have an incentive for active energy management. Furthermore, electrical devices must become more easily controllable by energy management software - so that your washing machine and dryer operate at the optimal times, your refrigerator cools the most when electricity is cheapest, your air conditioning or electrical heating optimize their schedules for these electricity prices while still staying in the optimal temperature ranges, and so forth.

All this is doable. It's a lot of work - literally the work of decades - and fairly expensive the first time it is implemented, as it is the case with all prototypes. But I believe it is worthwhile, and if it works out we have an entirely new system of power generation with vastly reduced CO2 emissions that will work in most of the globe without nasty environmental or political side effects.

Time will tell if I am right.
Sarai Pahla (AokageHime)'s profile photoest naiviv (謝予穎)'s profile photoShawn H Corey's profile photoNicole St. Nimmerlein's profile photo
Impressive what one term of the Green Party in government accomplished in turning the country's energy strategy around. And really sad that all subsequent government try to sabotage it.
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Jürgen Hubert

Discussion  - 
A woman was walking along the sea on a beach in Cornwall, England in 2012, when she by chance spotted a dark tablet in the sand, inscribed with a strange word. She shrugged off the curiosity. But a few weeks later she discovered another one on a
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I grew up near rubber plantations. I forget sometimes that others aren't so lucky.
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Jürgen Hubert

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While that may not have been a terribly diplomatic thing to say for a foreign minister, it was fairly accurate.
"Finally, and most revealingly in my opinion, the non-affair shows us that the rights of women always come last." Yep.
If the cries of ‘Je suis Charlie’ were sincere, the western world would be convulsed with worry and anger about the Wallström affair. It has all the ingredients for a… Read more
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You are confusing them with the Bush dynasty.
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Jürgen Hubert

Discussion  - 
It takes the Random Nations Generator to build a village.
Let's take a look at the first of the villages in the eastern regions - Shrouded Tree Village. The player characters already visited it once during the last session, on their way to the Forest Witch. I have already establishe...
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Riesige, gute Steinofen-Pizzen zu einem sehr guten Preis. Sehr empfehlenswert!
Public - 6 months ago
reviewed 6 months ago
Ursprünglich nur ausgewählt, weil dies das einzige Lokal in Anklam ist, das nach 22 Uhr noch offen hat, wahren wir sehr angenehm überrascht - exzellentes Essen zu angemessenen Preisen. Sehr zu empfehlen.
Food: ExcellentDecor: Very GoodService: Excellent
Public - 2 years ago
reviewed 2 years ago
3 reviews
Unlike most other breads sold in Columbus I have seen so far, the bread here is actually edible. Visitors from Europe should still tone down their expectations a notch, however. For example, the bread sold as "French baguette" is much denser inside than the baguette sold in Europe, making it less airy and harder to chew than the original. However, it does have a crust that doesn't shrivel up from fright merely by looking at it. If you are from Europe and crave bread, you might want to take a look at Panera Bread. It won't be as good as back home, but the odds that you will find something better in the United States seem to be limited. Otherwise, you will either learn to live without - or make your own bread.
• • •
Public - 6 years ago
reviewed 6 years ago