An employee walking along a thermal pipe at the Kamojang geothermal
power plant near Garut, West Java, on March 18. State utility provider
 Perusahaan Listrik Negara is targeting an additional 135 megawatts of
electricity from three new geothermal plants. (Reuters Photo/Beawiharta)
 

"Update on Current Events" – Jul 23, 2011 (Kryon channelled by Lee Carroll) - (Subjects: God, Gaia, Shift of Human Consciousness, 2012, Benevolent Design, Financial Institutes (Recession, System to Change ...), Water Cycle (Heat up, Mini Ice Ace, Oceans, Fish, Earthquakes ..), Nuclear Power Revealed, Geothermal Power, Hydro Power, Drinking Water from Seawater, No need for Oil as Much, Middle East in Peace, Persia/Iran Uprising, Muhammad, Israel, DNA, Two Dictators to fall soon, Africa, China, (Old) Souls, Species to go, Whales to Humans, Global Unity,.. etc.)
"A Summary" – Apr 2, 2011 (Kryon channeled by Lee Carroll) (Subjects: Religion, Shift of Human Consciousness, 2012, Intelligent/Benevolent Design, EU, South America, 5 Currencies, Water Cycle (Heat up, Mini Ice Ace, Oceans, Fish, Earthquakes ..), Middle East, Internet, Israel, Dictators, Palestine, US, Japan (Quake/Tsunami Disasters , People, Society ...), Nuclear Power Revealed, Hydro Power, Geothermal Power, Moon, Financial Institutes (Recession, Realign integrity values ..) , China, North Korea, Global Unity,..... etc.) - (Text version)

“.. Nuclear Power Revealed

So let me tell you what else they did. They just showed you what's wrong with nuclear power. "Safe to the maximum," they said. "Our devices are strong and cannot fail." But they did. They are no match for Gaia.

It seems that for more than 20 years, every single time we sit in the chair and speak of electric power, we tell you that hundreds of thousands of tons of push/pull energy on a regular schedule is available to you. It is moon-driven, forever. It can make all of the electricity for all of the cities on your planet, no matter how much you use. There's no environmental impact at all. Use the power of the tides, the oceans, the waves in clever ways. Use them in a bigger way than any designer has ever put together yet, to power your cities. The largest cities on your planet are on the coasts, and that's where the power source is. Hydro is the answer. It's not dangerous. You've ignored it because it seems harder to engineer and it's not in a controlled environment. Yet, you've chosen to build one of the most complex and dangerous steam engines on Earth - nuclear power.

We also have indicated that all you have to do is dig down deep enough and the planet will give you heat. It's right below the surface, not too far away all the time. You'll have a Gaia steam engine that way, too. There's no danger at all and you don't have to dig that far. All you have to do is heat fluid, and there are some fluids that boil far faster than water. So we say it again and again. Maybe this will show you what's wrong with what you've been doing, and this will turn the attitudes of your science to create something so beautiful and so powerful for your grandchildren. Why do you think you were given the moon? Now you know.

This benevolent Universe gave you an astral body that allows the waters in your ocean to push and pull and push on the most regular schedule of anything you know of. Yet there you sit enjoying just looking at it instead of using it. It could be enormous, free energy forever, ready to be converted when you design the methods of capturing it. It's time. …”
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Wednesday, October 31, 2012

Key test for re-healable concrete

BBC News, Paul Rincon, Science editor, 30 October 2012

Bacterial spores are added to the concrete mix; they are activated by water

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Experimental concrete that patches up cracks by itself is to undergo outdoor testing.

The concrete contains limestone-producing bacteria, which are activated by corrosive rainwater working its way into the structure.

The new material could potentially increase the service life of the concrete - with considerable cost savings as a result.

The work is taking place at Delft Technical University, the Netherlands.

It is the brainchild of microbiologist Henk Jonkers and concrete technologist Eric Schlangen.

If all goes well, Dr Jonkers says they could start the process of commercialising the system in 2-3 years.

Concrete is the world's most widely used building material. But it is prone to cracks, which means that structures need to be substantially reinforced with steel.

"Micro-cracks" are an expected part of the hardening process and do not directly cause strength loss. Fractures with a width of about 0.2mm are allowed under norms used by the concrete industry.

But over time, water - along with aggressive chemicals in it - gets into these cracks and corrodes the concrete.

Longer life

"For durability reasons - in order to improve the service life of the construction - it is important to get these micro-cracks healed," Dr Jonkers told BBC News.

Bacterial spores and the nutrients they will need to feed on are added as granules into the concrete mix. But water is the missing ingredient required for the microbes to grow.

Concrete is the world's most popular
building material, but cracking is a
problem
So the spores remain dormant until rainwater works its way into the cracks and activates them. The harmless bacteria - belonging to the Bacillus genus - then feed on the nutrients to produce limestone.

The bacterial food incorporated into the healing agent is calcium lactate - a component of milk. The microbes used in the granules are able to tolerate the highly alkaline environment of the concrete.

"In the lab we have been able to show healing of cracks with a width of 0.5mm - two to three times higher than the norms state," Dr Jonkers explained.

"Now we are upscaling. We have to produce the self-healing agent in huge quantities and we are starting to do outdoor tests, looking at different constructions, different types of concrete to see if this concept really works in practice."

The main challenge is to ensure the healing agent is robust enough to survive the mixing process. But, in order to do so, says Dr Jonkers, "we have to apply a coating to the particles, which is very expensive".

The team is currently trying to reduce the cost this adds to the process. But he expects an improved system to be ready in about six months.

The outdoor tests should begin after this; the team is already talking to several construction firms that could provide help.

The concrete will then have to be monitored for a minimum of two years to see how it behaves in this real-world setting.

"Then, if everybody's happy, we can think about trying to commercialise the product," said the TU Delft researcher.

Even if the healing agent adds 50% to the concrete cost, this makes up just 1-2% of the total construction cost. Maintenance is a much higher percentage of this total cost, so Dr Jonkers expects big savings through extending the concrete's service life.

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