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Quantum: An Ode to Particle Physics

user20
12 vistas · 8 años hace

http://www.sciencefriday.com
Drawing on his experience as Artist-in-Residence at CERN, Gilles Jobin's dance performance, Quantum, presents an abstract meditation on the motion of particles and laws of physics.

SciFri in Second Life

user20
12 vistas · 8 años hace

NPR Host Ira Flatow comes face to face with his avatar when Science Friday broadcasts in Second Life.

acrylic pouring - Center Swipe - black and blue

admin
12 vistas · 7 años hace

Acrylic pouring with the center swipe technique. The pictures radiate a special peace and do not seem so overloaded. Convince yourself, enjoy the creation and the result. But more important, just dare to do it yourself, casting acrylic pouring is fun and really easy.

Do not forget to subscribe to my channel so you will not miss a recent video.

Many Thanks
Tiktus

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What do you need for acrylic pouring / fluid painting?

In acrylic pouring or fluid painting, diluted acrylic paints are cast on the canvas using various techniques. This results in quite random results. Every picture is unique.

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1. acrylic paint
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We need artists acrylic paints, here there is no fixed brand. You can use what you like here. Acrylic paints from brand companies usually have a thicker consistency and therefore lower consumption. Cheap brands are often thinner, you need a little more color.

I use different brands, look for what suits you and your wallet. Possibly. you have to adjust my Pouring recipe, which comes down below with your acrylic paint something.

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2. The Pouring Medium
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The Pouring Medium ensures that the acrylic paint is fluid and pourable. There are now many varieties here. I myself use Liquitex because even without silicone oil beautiful cells are possible.

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3. Water
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Only acrylic paint and casting medium is usually not enough, the color must be made a little more liquid, but I use normal tap water. At the end, the ready-mixed color should flow evenly off the stirring tool like warm liquid honey.

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4. silicone oil
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Silicone oil is used to get nice big cells. The silicone oil only in colorful colors, not in black or white. Add 3 - 5 drops / puffs of silicone oil to the ready - mixed colors and stir only briefly - one to three times. There are different consistencies I use cst 400.

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5. Final treatment
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If the pictures have dried after about 3-5 days, the acrylic paint will not shine as well as when wet. To restore this shine, use the Pouring Medium. But you can also use special gloss varnish to create even more shine.

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Otherwise you only need a canvas in its preferred size and a few cups to touch the colors.

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My acrylic pouring recipe
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1 part color
1 part Pouring Medium
1/2 part of water

!!! Important, the canvas must first be primed with Acrylic Pouring Medium or paint, otherwise the edges absorb too much paint.

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Cast acrylic - quantity calculation
How much color is needed for his canvas?
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Approximately 0.3 grams per square centimeter, this is the complete mixture meant. Suppose you have a canvas of 40 x 40 cm = 1600cm2. Calculation 1600 x 0.3 grams = 480 grams of complete mixture so all colors, pouring medium and water added up.

For a 40x40 cm two-color image, the mix looks like this:

Rounded up to 500 grams so that no later color is missing:

100 g of colorful paint
100 g of fluid medium
50 g of water

100 g white color
100 g of fluid medium
50 g of water

On the bottles is usually a milliliter indication, you can take that in grams, 250 ml color is not exactly 250 g, but the difference does not matter.

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El Castillo de la Verdad - Pequeños Héroes

user100
12 vistas · 7 años hace

Es hora de disfrutar una nueva canción de Pequeños Héroes!

No olvides suscribirte haciendo clic aquí! http://bit.ly/ph-suscribete

LETRA:

//Encontré a mi salvador
encontré a mi redentor
sé que dentro del Castillo
encuentro la Verdad

Encontré la salvación
encontré paz interior
sé que dentro del Castillo
encuentro la Verdad

Quiero conocerte mas
a tu lado quiero estar
en la cruz hay libertad
mi Jesús tu eres mi mejor amigo

Siempre estás conmigo mi Cristo
Siento que estás dentro de mi corazón

Lo voy a cantar
Lo voy a gritar
Jesús es mi fiel amigo//

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¡Comparte con Pequeños Héroes y aprende!

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Historias de la Biblia para niños: http://bit.ly/2IjLSwk
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Banana Slugs: Secret of the Slime | Deep Look

user45
12 vistas · 7 años hace

Beneath the towering redwoods lives one of the most peculiar creatures in California: the banana slug. They're coated with a liquid crystal ooze that solves many problems slugs face in the forest -- and maybe some of our own.

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Banana slugs are important members of the redwood forest community, even if they aren't the most exalted. They eat animal droppings, leaves and other detritus on the forest floor, and then generate waste that fertilizes new plants. Being slugs, they don't move very quickly, and without a shell, they need other protection to keep themselves from becoming food and then fertilizer. Their main defense: slime. Slime refers to mucus-the same stuff that coats your nose and lungs-found on the outside of an animal's body. Banana slug slime contains nasty chemicals that numb the tongue of any animal that attempts to nibble it, discouraging predators like raccoons, who have to go to the trouble of removing the slime if they want to eat the slug. But this is just one of many ways slugs depend on slime, and they use it for everything from locomotion to nutrition.

Read more in our article on KQED Science:

http://blogs.kqed.org/science/....2015/02/17/banana-sl

Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is supported by HopeLab, The David B. Gold Foundation; S. D. Bechtel, Jr. Foundation; The Dirk and Charlene Kabcenell Foundation; The Vadasz Family Foundation; Smart Family Foundation and the members of KQED.
#deeplook

The Hidden Perils of Permafrost | Deep Look

user45
12 vistas · 7 años hace

For thousands of years, mysterious bacteria have remained dormant in the Arctic permafrost. Now, a warming climate threatens to bring them back to life. What does that mean for the rest of us?

SUBSCRIBE: http://goo.gl/8NwXqt

Funding for Deep Look is provided in part by PBS Digital Studios and the John S. and James L. Knight Foundation. Deep Look is a project of KQED Science, which is supported by HopeLab, The David B. Gold Foundation; S. D. Bechtel, Jr. Foundation; The Dirk and Charlene Kabcenell Foundation; The Vadasz Family Foundation; Smart Family Foundation and the members of KQED.
#deeplook

Ultravox - Hymn (Subtítulos español)

user42
12 vistas · 7 años hace

Ultravox - British New Wave rock band
"Hymn"
Album: Quartet
Year: 1982
Label: Chrysalis Records

I do not claim ownership to this song or video. All rights reserved by copyright holders

NOTICE: "Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use."