My PhD: http://www.physics.usyd.edu.au..../super/theses/PhD(Mu
It is a common view that "if only someone could break this down and explain it clearly enough, more students would understand." Khan Academy is a great example of this approach with its clear, concise videos on science. However it is debatable whether they really work. Research has shown that these types of videos may be positively received by students. They feel like they are learning and become more confident in their answers, but tests reveal they haven't learned anything. The apparent reason for the discrepancy is misconceptions. Students have existing ideas about scientific phenomena before viewing a video. If the video presents scientific concepts in a clear, well illustrated way, students believe they are learning but they do not engage with the media on a deep enough level to realize that what was is presented differs from their prior knowledge. There is hope, however. Presenting students' common misconceptions in a video alongside the scientific concepts has been shown to increase learning by increasing the amount of mental effort students expend while watching it.

Without neutrons, harnessing nuclear energy would be impossible.
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Terrance Snow

A few years ago I made a documentary about uranium, radioactivity and radiation. I always thought of the characters in our story as the scientists and maybe the uranium nucleus itself. It was only through making the documentary that I realized the real hero of the story is the neutron. Without a neutral nuclear particle, it would be virtually impossible to release the energy from the nucleus. But with it, and the idea of a chain reaction, nuclear energy went from science fiction to reality. That is something I had not grasped as clearly before and it motivated me to make this video.

Filmed by Raquel Nuno.

How Schlieren imaging works in color, black and white and slow-mo.
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Special thanks to Patreon supporters:
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Support Veritasium on Patreon: http://ve42.co/patreon

Filming by Raquel Nuno
Sound Effects by A Shell in the Pit

Sound waves in a tube of gas create flames of different heights that dance to the music. A metal tube with holes in it is filled with gas. The gas is lit to create a row of tiny flames. A speaker at one end plays sound into the tube, which creates a standing wave of sound: areas where air molecules are vibrating rapidly separated by areas where the air is fairly still. This produces the different heights of flames and allows the wavelength of the sound wave to be estimated.

The Nobel Prize for physics in 2011 was awarded to Brian Schmidt, Adam Riess, and Saul Perlmutter for discovering that the universe is expanding at an accelerating rate. This finding was completely unexpected because it was thought that gravity should slow the expansion of the cosmos. The best current explanation of why the universe is accelerating is that there is some energy tied to empty space which pushes matter apart. This 'Dark Energy' makes up 73% of the universe but is very difficult to detect. Hopefully a better understanding of it will lead to a unification of our theories of gravitation and quantum mechanics.

Images courtesy of NASA - NASAimages.org

I bought 10,000 shade balls and tried to swim in them. They appear to act like a non-Newtonian fluid: rigid under high shear stress, but they flow like a liquid under low shear.
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Receiving a shade ball:
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2. In about a month I will send out signed shade balls
3. I will cover all shipping costs but if things get really crazy I will prioritize existing Patreon supporters and higher tiers

My sense was that swimming in shade balls would be difficult but still doable. This was roughly true for the single layer of shade balls. The shade balls slide past each other so they act like a liquid, albeit a viscous one owing to their significant inertia. It's much more intense exercise and it's also annoying to be bombarded with shade balls on all sides of your body, particularly your head. With multi-layer shade balls (as exists on much of LA reservoir) things get significantly more difficult. The balls bunch together and when you try to move through them quickly, they become more rigid, providing significant resistance to motion. This has the benefit that you can lie on them and as long as they stay trapped under you, you can float on them. But a little bit of motion causes them to move around and you sink through quickly.

Huge thanks to:
Jordan Schnabel and Cristian Carretero for filming and swimming and providing lifeguard services.
Raquel Nuno for filming and putting up with me.

Special thanks to Patreon supporters:
Donal Botkin, Michael Krugman, Ron Neal, Stan Presolski, Terrance Shepherd, Penward Rhyme and everyone who provided feedback on an early draft of this video.

Music from https://epidemicsound.com "Dubstep Mammoth 2" "Finally Here (Instrumental)" "The Last Arrival" "Sundown Love (Instrumental)"

Right: https://www.youtube.com/watch?v=AS9OXzSRBMQ
Left: http://www.youtube.com/watch?v=FWQ-HJ4oGKQ
It Depends: https://www.youtube.com/watch?v=R3GHiMOHEy8
What happens when nylon rope is wound around a spool and pulled horizontally to the right? Will the spool go to the right, to the left, or does it depend on how the rope is pulled?

Do we need more diversity in online video?
NOTE: the free one-year membership offer has now expired. You can receive a free month trial at: http://vessel.com/science
Watch the MinutePhysics announcement: http://bit.ly/1GbKtTi

Thanks to Whole Foods UCLA for allowing us to film their potatoes and Zach T for filming.

Latest Upload - First SpaceX Space Tourists
https://www.youtube.com/watch?v=1xWbCcaJnIQ

Earth from space seen from the International Space Station
Thanks for joining to share these wonderful views of our home -
please like and share this video.
Watch our latest upload here: https://www.youtube.com/watch?v=qDboL6K9kAU

This ISS live stream of planet earth from space is courtesy of Nasa Earth Viewing Cameras aboard the international space station.
The station is crewed by #NASA astronauts as well as Russian Cosmonauts and a mixture of Japanese, Canadian and European astronauts as well.

The Expedition 62 Crew is: Christina Koch, Andrew Morgan, Oleg Skripochka

#nasalive #earth #earthfromspace
THIS WILL SHOW LIVE and PRE-RECORDED FOOTAGE -
As the Space Station passes into a period of night every 45 mins video is unavailable - during this time, and other breaks in transmission, recorded footage is shown .
When back in daylight the live stream of earth will recommence

If you are here to talk about a flat earth then please don't bother. You can stay and watch our beautiful globe earth as it spins in space , but please don't share your nonsense beliefs in our chat.

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Watch the earth roll by courtesy of the NASA Live cameras
International Space Station Live Feed: Thanks to NASA for this
http://www.nasa.gov The ISS passes into the dark side of the earth for roughly half of each of its 90 minute orbits. During this time no video is available. We would recommend that you check out some recorded footage while you wait - click the link above.

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Strange flying objects have been caught on NASA’s cameras and astronauts have reported seeing UFOs. Some can be identified; others remain a mystery. We’ll reveal NASA footage and interview the astronauts and scientists.

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Get ready for liftoff to the Sun! ?

Solar Orbiter, a collaboration between European Space Agency and NASA, is launching Sunday, Feb. 9, to study the inner workings of our nearest star. Tune in for launch coverage starting at 10:30 p.m. on Sunday, Feb. 9 to see liftoff, currently targeted for 11:03 p.m. EST.

More info: https://go.nasa.gov/2SiKpNn

Tune in as Boeing's uncrewed Starliner spacecraft lands at White Sands, New Mexico. Landing is scheduled at 7:57 a.m. EST on Sunday, Dec. 22. After its launch on Dec. 20, the Starliner did not reach the planned orbit and will not dock to the International Space Station. Teams worked quickly to ensure the spacecraft was in a stable orbit and preserved enough fuel for a landing opportunity.

Formula One World Champion visited NASA's Johnson Space Center in Houston on his day off to live a boyhood dream ahead of the United States Grand Prix. Narrated by Will Buxton. Edited by http://www.apex.one

Daniel Calveti presenta Enamora'o una canción romántica dedicada a su esposa Shari que también puedes dedicar al amor de tu vida.

Compra la canción en itunes: https://geo.itunes.apple.com/us/album/enamorao/1327534311?i=1327534439&mt=1&app=music&itscg=30200&itsct=afftoolset_1&at=10lt8i
Spotify: https://open.spotify.com/album..../3aN0jjS4VRJq9zl2T3B
Deezer: http://www.deezer.com/es/album/53840812

LETRA:

ENAMORA'O
Daniel Calveti

De todas las boricuas, tú eres la más bella
el coquí lo canta al son de las maracas
el viento y las palmeras bailan mientras miran como tú y yo caminamos por la playa.

Mujer hermosa, mujer tan linda mis ojos son de ti solita. De Ponce a Caguas lo saben
todos que este negrito a ti te ama.

Ay, ay que lindo, que lindo estar enamorado

Ay, ay que lindo, que lindo estar enamorado

De todas las boricuas, tú eres la más bella
el coquí lo canta al son de las maracas
el viento y las palmeras bailan mientras miran como tú y yo caminamos por la playa.

Mujer hermosa, mujer tan linda mis ojos son de ti solita.
El flamboyant se ha convertido en nuestra sombra de amor eterno.
Y los tambores suenan bonito al ritmo bello de tus ojitos.

Ay, ay que lindo, que lindo estar enamorado
Ay, ay que lindo, que lindo estar enamorado


El que halla esposa, halla el bien;

y yo te hallé a Ti mujer
El que hay esposa, halla el bien;
y yo te hallé a Ti mujer

Pero que... Ay, ay que lindo, que lindo estar enamorado
Ay, ay que lindo, que lindo estar enamorado
Ay, ay que lindo, que lindo estar enamorado
Ay, ay que lindo, que lindo estar enamorado


Puedes encontrar esta canción así:

Enamorado
Enamorao
Enamorados
musica romántica
música cristiana para dedicar
canción cristiana para dedicar
canción cristiana romaántica

Fecha de lanzamiento: 12 enero 2018

Band:
Mike X. Zuniga- (MD)Bass
Aldo Juarez- Drums
Chris Rocha- Guitar
Robert Prado- Guitar
William ''Willie'' Garcia- Keys
Jamie Arroyo- Keys

Buenos Amigos

Que importante es rodearnos de personas correctas a las que podamos escuchar, con las que podamos ser honestas y platicar cuando estamos en necesidad.
Cuantas veces somos muy prontos para ver los errores de los demas pero batallamos en ver los nuestros.
Dios quiere ayudarnos a rodearnos de amistades correctas que nos den buenos consejos, que nos ayuden a crecer, cumplir su propósito y a ser mejores personas.

Síguenos en:

Facebook:https://www.facebook.com/marcelagandaraoficial
Twitter: https://twitter.com/marcela_gandara/
Instagram: https://www.instagram.com/marcela_gandara/
Escucha nuestra musica en:
http://hyperurl.co/phn505

Creditos:
Producción y edición de video: Dauny Chilin
Coordinación: Betza Burruel

Videoclip Oficial de Evan Craft y Marcela Gandara "El Alfarero".
Déjanos un comentario y dinos si te gustó!
Video grabado por @andyryanflores de @neversleep.tv

Música Cristiana de alabanza y adoración acústica.
Esta canción es parte del nuevo álbum "IMPULSO" de Evan Craft.

LETRA:

Antes de la creación
y el caos del universo

Existía en tu corazón
Antes que naciera el sol

Formaste del polvo mi vida
Mi alma por ti fue elegida

Vengo con manos vacías
Mas yo quiero ser tu vasija

Coro:
Yo, barro soy,
En el torno estoy
Moldéamos hoy, rómpeme si es necesario’

Tu vaso soy, una nueva creación
Soy obra de Dios, en manos del alfarero


Verse 2:
Mis pedazos juntaste del suelo
Cuando nadie más quiso hacerlo
Tomaste mi vida en tus manos
Me restauraste, me hiciste de nuevo

Ahora yo tengo esperanza
No tengo temor del mañana
En manos del gran alfarero
Seguro estoy en su amor eterno

Puente:
Hizo la luz en un momento
Pero en mi tomó su tiempo

Transforma todo lo que siento
Dame tu vida y sopla aliento


#evancraft #marcelagandara #elalfarero #musicacristiana

TODOS LOS DERECHOS RESERVADOS (C) 2017

Descargalo en VastagoDigital: http://smarturl.it/z867sf
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Paginas Oficiales:
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Julio Melgar & Marcela Gandara
Tema: Creo en Ti
Álbum: Soluciones Live
#JulioMelgar #MarcelaGandara