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Computer science education: why does it suck so much and what if it didn’t? | Ashley Gavin | TEDxNYU

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Sonda Voyager 1 religa Seus Motores Depois de 37 Anos - Space Today TV Ep.995

Se você tentar ligar seu carro parado depois de décadas, muito provavelmente ele não vai responder.

Mas a tecnologia espacial é realmente espetacular.

Todo mundo aqui lembra da sonda Voyager 1?

A Voyager 1 é a sonda mais rápida, e que está mais distante já feita pelo homem, ela é o primeiro objeto a entrar no espaço interestelar, ou pelo menos está muito perto dele.

Ela foi lançada ao espaço, a 40 anos atrás, e durante a sua viagem pelo sistema solar, sobrevoou os planetas Júpiter e Saturno, além de sobrevoar satélites naturais importantes desses dois planetas.

A última vez que a Voyager 1 teve seus foguetes acionados foi em 8 de Novembro de 1980, depois de passar por Saturno.

Mas, 37 anos depois, no dia 28 de Novembro de 2017, os engenheiros da Voyager 1 acionaram seus motores novamente, e testaram a habilidade de orientar a sonda usando pulsos de 10 milissegundos.

Para saber se o comando foi dado e recebido com sucesso, os engenheiros tiveram que esperar 19 horas e 35 minutos, esse foi o tempo que o sinal viajou até chegar na antena de Goldstone na Califórnia.

Tudo isso foi feito e testado para tentar estender mais um pouco a vida da sonda Voyager 1, e com isso tentar entender um pouco mais sobre o meio interestelar.

Embora ela não nos mande mais imagens, e nem dados tão completos, ela possui uma maneira de contar as partículas e também a intensidade tanto do vento solar, como do que existe no meio interestelar, e a partir disso, os pesquisadores tiram suas conclusões.

O mesmo tipo de teste será feito com a Voyager 2 que possui esses mesmos motores, e devem estar em lehor estado do que o da Voyager 1. LEmbrando que a Voyager 2 ainda não alcançou o meio interestelar. O que deve acontecer nos próximos anos, então é importante também ter a sonda funcionando e com a vida um pouco mais estendida.

Tá aí, para quem sempre pergunta da Voyager, uma notícia rápida, mas muito interessante, seu motores foram religados com sucesso, 37 anos depois.

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34 FUNNY PRANKS FOR YOUR FRIENDS

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Cómo enfrentar el cáncer desde la serenidad y la cordura por el Dr. Martí Bosch - Parte 1

Cómo enfrentar el cáncer desde la serenidad y la cordura por el Dr. Martí Bosch, Licenciado en Cirugía y Medicina y oncólogo pediatra en la Feria de Alimentación y Salud que tuvo lugar el día 5 y 6 de Octubre del 2013 en Balaguer, Lleida.

El cáncer se nos presenta como una enfermedad que nos aboca a la cronicidad o a la muerte ¡ no tiene por qué ser así !
No tiene por qué ser crónica ni tiene porque tener un desenlace fatalista. Hay pacientes que llegan a situaciones no reversibles, pero en la mayoría de los casos ésta situación no es así. No sólo se tratará de ampliar los medios para frenar dicho proceso, sino que también se tratará de exponer unos medios complementarios para evitar así la recidiva y recuperar la salud.
También se tratará de plantear los recursos complementarios de los que podemos disponer para que los que no tengan cáncer lo puedan prevenir. Hay un mundo de medios:
El mundo de la nutrición
El mundo de los cuidaos corporales.
El mundo de las plantas
El mundo de la Homeopatía
El mundo de los oligoelementos
El mundo de la medicina ortomolecular (Vitaminas, enzymas, aminoácidos)
El mundo de las vacunas autólogas
El mundo de la Ozonoterapia.
El mundo de la Hidrología médica.
El munod de las energías sutiles. Reiki, Shiatsu, Digitopuntura, etc.
El mundo de la acupuntura
El mundo de la mente
El mundo del amor.
Etc.
El Dr. Alberto Martí Bosch es licenciado en Cirugía y Medicina por la Universidad Autonoma de Barcelona. Trabajó muchos años con niños como oncólogo pediátrico hasta que dados los escasos resultados que obtenía con los tratamientos convencionales y, sobre todo, viendo día a día el enorme sufrimiento que con ellos les causaba abandonó definitivamente su práctica.
Hoy, veinte años después y tras formarse ampliamente en disciplinas que no se enseñan en las facultades de medicina, aborda el cáncer de una forma holística teniendo en cuenta ante todo el principio hipocrático de Lo primero, no hacer daño. Tratamiento que tiene en cuenta los aspectos psicológicos y emocionales además del físico, ámbito éste en el que desintoxicar, resolver posibles carencias vitamínicas, minerales, ortomoleculares, enzimáticas y hormonales potenciando así el sistema inmune y equilibrare el organismo bioenergéticamente son pasos siempre útiles y necesarios.
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Home Made Air Rifle Complete TUTORIAL and QEV valve

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sorry.. but please understand my english :)

in this video i will show you step by step how to build an air rifle,. using a QEV valve.
quick exaust valve

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Vardaat: Osama bin Laden's final moments and watery burial (PT-1)

The mastermind of September 11 (9/11) terror attack on US, Osama bin Laden, was shot dead on May 2, 2011. A new book written by former Central Investigation Agency (CIA) director and Defense Secretary Leon Panetta, 'Worthy Fights: A memoir of leadership in war and peace', claims that Laden's body, put in a black iron box, was loaded with three iron chains weighing 136 kg before it was dropped into the sea, apparently to make sure that it sinks. Osama was given a watery burial so that terrorists don't make his grave a pilgrim spot and make him into a hero or martyr.

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Your body language may shape who you are | Amy Cuddy

Body language affects how others see us, but it may also change how we see ourselves. Social psychologist Amy Cuddy argues that power posing -- standing in a posture of confidence, even when we don't feel confident -- can boost feelings of confidence, and might have an impact on our chances for success. (Note: Some of the findings presented in this talk have been referenced in an ongoing debate among social scientists about robustness and reproducibility. Read Amy Cuddy's response here:

The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and more.

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Breathtaking Colors of Nature in 4K II

Enjoy the peaceful and colorful flower garden views in beautiful 4K UHD. Helps Relax & Fall Asleep FAST! 2 hours long. Relax with beautiful flowers, birds, more!.. Music for relaxation, sleep, meditation, yoga, study. sit back, relax and enjoy :)
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La causa de todas las enfermedades del mundo ¿Por qué no se hizo público este conocimiento?


Hola a todos. Aquí les dejo un nuevo video con las preguntas mas importantes contestadas y las tablas actualizadas de comidas alcalinas y ácidas:
Gracias a todos... ANC Albert Lennon

En este video hablaremos sobre el descubrimiento de un premio nobel llamado Otto Warburg
Este hombre descubrió la Causa de todas las enfermedades y ni los medios de información, ni tu doctor y ni siquiera tú gobierno les interesa informártelo. ¿Por qué? Obvio, dejan de ganar mucho dinero…
según Warburg:
“TODAS LAS ENFERMEDADES SON ÁCIDAS Y DONDE HAY OXÍGENO Y ALCALINIDAD NO PUEDEN EXISTIR ENFERMEDADES, INCLUIDO EL CÁNCER”
“La falta de oxígeno y la acidosis son las dos caras de una misma moneda, las substancias ácidas rechazan el oxígeno; en cambio, las substancias alcalinas atraen el oxígeno ”
“Todas las células normales tienen un requisito absoluto para el oxígeno, pero las células cancerosas pueden vivir sin oxígeno – una regla sin excepción”
Según este científico, el cáncer es la consecuencia de una alimentación antifisiologica y un estilo de vida antifisiológico…
Una dieta basada en alimentos acidificantes y sedentarismo, crea en nuestro organismo un entorno de ACIDEZ. La acidez, a su vez EXPULSA el OXIGENO de las células.
Otto afirmó:
“La falta de oxígeno y la acidosis son las dos caras de una misma moneda: cuando usted tiene uno, usted tiene el otro. Las substancias ácidas rechazan el oxígeno; en cambio, las substancias alcalinas atraen el
oxígeno “Ósea que en un entorno acido, sí o sí es un entorno sin oxigeno… y él afirmaba que,“Privar a una célula del 35% de su oxígeno durante 48 horas puede convertirla en cancerosas.”

100 mcq questions biology I English medium I SSC CGL 2017

Biology is very important subject for SSC CGL GK. In this video 100 MCQs from different topics have been covered.
For Hindi medium click here

How the Universe Works - The Story of Earth - Space Discovery Documentary

How the Universe Works - The Story of Earth - Space Discovery Documentary
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Transportation In Plants by Shivani Bhargava (SB) Mam (ETOOSINDIA.COM)

Transport in plants video Lecture of Biology for NEET by SB Mam. SB Mam is known for her unique, focused and simplified NEET teaching to bring to students an easy and analytical methodology towards NEET.
This course is designed and developed by the experienced faculty of KOTA. In this lecture SB Mam is giving the detailed view of how water is transported in plants and their mechanisms. For More Biology Video Lecture or Tutorial Please visit our website :

Biblical Series I: Introduction to the Idea of God

Lecture I in my Psychological Significance of the Biblical Stories series from May 16th at Isabel Bader Theatre in Toronto. In this lecture, I describe what I consider to be the idea of God, which is at least partly the notion of sovereignty and power, divorced from any concrete sovereign or particular, individual person of power. I also suggest that God, as Father, is something akin to the spirit or pattern inherent in the human hierarchy of authority, which is based in turn on the dominance hierarchies characterizing animals.

Q & A Starts: 1:57:25

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Producer Credit and thanks to the following $200/month Patreon supporters. Without such support, this series would not have happened: Adam Clarke, Alexander Meckhai’el Beraeros, Andy Baker, Arden C. Armstrong, Badr Amari, BC, Ben Baker, Benjamin Cracknell, Brandon Yates, Chad Grills, Chris Martakis, Christopher Ballew, Craig Morrison, Daljeet Singh, Damian Fink, Dan Gaylinn, Daren Connel, David Johnson, David Tien, Donald Mitchell, Eleftheria Libertatem, Enrico Lejaru, George Diaz, GeorgeB, Holly Lindquist, Ian Trick, James Bradley, James N. Daniel, III, Jan Schanek, Jason R. Ferenc, Jesse Michalak, Joe Cairns, Joel Kurth, John Woolley, Johnny Vinje, Julie Byrne, Keith Jones, Kevin Fallon, Kevin Patrick McSurdy, Kevin Van Eekeren, Kristina Ripka, Louise Parberry, Matt Karamazov, Matt Sattler, Mayor Berkowitz , Michael Thiele, Nathan Claus, Nick Swenson , Patricia Newman, Pisit Mongkolsiriwattana, Robb Kelley, Robin Otto, Ryan Kane, Sabish Balan, Salman Alsabah, Scott Carter, Sean C., Sean Magin, Sebastian Thaci, Shiqi Hu, Soheil Daftarian, Srdan Pavlovic, Starting Ideas, Too Analytical, Trey McLemore, William Wilkinson, Yazz Troche, Zachary Vader
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What If The Earth Stopped Spinning?

What if the Earth stopped spinning? LEARN MORE BELOW!
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Secrets Of Earth : Hindi Documentary

Secrets Of Earth : Hindi Documentary

Earth is the third planet from the Sun and the only object in the Universe known to harbor life. According to radiometric dating and other sources of evidence, Earth formed over 4 billion years ago.[24][25][26] Earth's gravity interacts with other objects in space, especially the Sun and the Moon, Earth's only natural satellite. Earth revolves around the Sun in 365.26 days, a period known as an Earth year. During this time, Earth rotates about its axis about 366.26 times.[n 5]

Earth's axis of rotation is tilted, producing seasonal variations on the planet's surface.[27] The gravitational interaction between the Earth and Moon causes ocean tides, stabilizes the Earth's orientation on its axis, and gradually slows its rotation.[28] Earth is the densest planet in the Solar System and the largest of the four terrestrial planets.

Earth's lithosphere is divided into several rigid tectonic plates that migrate across the surface over periods of many millions of years. About 71% of Earth's surface is covered with water, mostly by oceans.[29] The remaining 29% is land consisting of continents and islands that together have many lakes, rivers and other sources of water that contribute to the hydrosphere. The majority of Earth's polar regions are covered in ice, including the Antarctic ice sheet and the sea ice of the Arctic ice pack. Earth's interior remains active with a solid iron inner core, a liquid outer core that generates the Earth's magnetic field, and a convecting mantle that drives plate tectonics.

Within the first billion years of Earth's history, life appeared in the oceans and began to affect the Earth's atmosphere and surface, leading to the proliferation of aerobic and anaerobic organisms. Some geological evidence indicates that life may have arisen as much as 4.1 billion years ago. Since then, the combination of Earth's distance from the Sun, physical properties, and geological history have allowed life to evolve and thrive.[30][31] In the history of the Earth, biodiversity has gone through long periods of expansion, occasionally punctuated by mass extinction events. Over 99% of all species[32] that ever lived on Earth are extinct.[33][34] Estimates of the number of species on Earth today vary widely;[35][36][37] most species have not been described.[38] Over 7.4 billion humans live on Earth and depend on its biosphere and natural resources for their survival. Humans have developed diverse societies and cultures; politically, the world has about 200 sovereign states.


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PCP Air Rifle Mechanism

This 3d video show the mechanism of the side cocking lever pcp air rifles, it is not mine but i found it in another language and i want to share it with you.
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كيف كسبت 12 ألف دولار خلال شهر واحد من الإنترنت

في هذا الفيديو قمت بمشاركة ارباحي من احد مشاريعي على الإنترنت فقط للتحفيز واظهار ان تحقيق الارباح عن طريق الإنترنت ممكن لاي شخص في العالم.
والجميل في الموضوع انك تستطيع العمل على هذا المشروع من اي مكان في العالم ولايشترط ان تكون امريكي او ساكن بأمريكا

دورة مجانية تشرح طريقة التسجيل الصحيحة في مشروع ميرش امازون :




قروب فيسبوك مجاني لميرتش باي امازون | Merch By Amazon

قروب فيسبوك مجاني لأمازون Amazon FBA




★★ دوراتي التدريبية ★★
دورة ميرتش باي امازون ◀
دورة بدء الأعمال التجارية وارقام الضرائب الأمريكية ◀


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What really matters at the end of life | BJ Miller

At the end of our lives, what do we most wish for? For many, it’s simply comfort, respect, love. BJ Miller is a palliative care physician who thinks deeply about how to create a dignified, graceful end of life for his patients. Take the time to savor this moving talk, which asks big questions about how we think on death and honor life.

TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more.
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Learn French in 25 Minutes - ALL the Basics You Need

Hurry! Click Here to Learn French with a BIG 29% Discount on all FrenchPod101 subscriptions: ↓ Check how below ↓

Step 1: Go to
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Save 29% on Basic, Premium and Premium Plus subscriptions with the POWER UP SALE:

In this video, you’ll get started with French. You will discover the key points of French Grammar! This is THE place to start if you want to start learning French.

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10 Brain-Itching IQs and Riddles with Answers for Kids and All

10 Brain-Itching IQs and Riddles with Answers - Give a try and please leave the comment.

Do not forget to Subscribe and Like the video. Last but not the least, share it to your friends who think smart themselves.

Here is the Mind Blowing IQs, Riddles and Trick Questions for Kids and Adult with Answers.

Top 10 Basic French Words Every BEGINNER Should Know



In this French lesson, Cindy, a native French teacher, teaches you the top 10 basic French words every beginner must know, and gives you a few French pronunciation tips.

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