#eldddir #eldddir_space #eldddir_earth #eldddir_homo #eldddir_ocean #eldddir_bombs #eldddir_future #eldddir_tech

What’s Hidden Under the Type 6 Civilization? – https://www.youtube.com/watch?v=WfucS1Hr8gs

Exceptional Engineering: The Making of a Wind Turbine | Engineering Documentary
Electricity harnessed from wind has become the second largest source of energy in Germany since 2017 – and has thus out powered nuclear and coal. Nearly 30,000 on- and off-shore wind turbines are operating throughout the country, covering approx. 19 percent of energy consumption. Our report follows the construction of a new wind power plant in Falkenthal in Brandenburg. Once installed, the windmill will be 179 meters high, supplying up to 5,000 households a year.

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Free Documentary is dedicated to bring high-class documentaries to you on youtube for free. With the latest camera equipment used by well-known filmmakers working for famous production studios. You will see fascinating shots from the deep seas and up in the air, capturing great stories and pictures from everything our beautiful and interesting planet has to offer.

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In Portugal, technicians risk their lives every day to repair the wind turbines that provide energy across the country. They rappel down from turbines as high as 360 feet with only climbing rope and a harness keeping them safe.

MORE VIDEOS LIKE THIS:
Why Miners Risk Their Lives To Get Sulfur From An Active Volcano | Risky Business

Winter Heat Wave Sparks Off-Season Fires In California

What Textbooks Get Wrong About Black History

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What It’s Like To Climb A 400-Feet Wind Turbine | Risky Business
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Transportation expert and Better Transit Alliance member, Eric Doherty, provides some examples of how we can reduce greenhouse gas emissions from our daily transportation needs.

Part of the Creating a One Planet Region Livestream event.
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Want to learn more about the topic in this week’s video? Here are some key words/phrases to get your googling started:
– Radiation balance – incoming radiant energy from the sun minus outgoing energy heading into space.
– Infrared radiation – electromagnetic radiation that is invisible to us; comes in longer wavelengths than visible light and provides energy transfer we call heat.
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References:

Virtual Chembook, Elmhurst College, Charles E. Ophardt
http://elmhcx9.elmhurst.edu/~chm/vchembook/globalwarmA5.html

Climate and Earth’s Energy Budget, NASA Earth Observatory
http://earthobservatory.nasa.gov/Features/EnergyBalance/page6.php

Infrared spectroscopy/Caltech (mirrored from UCLA chemistry)
http://www.wag.caltech.edu/home/jang/genchem/infrared.htm
http://elmhcx9.elmhurst.edu/~chm/vchembook/globalwarmA5.html

Free Energy Water Pump – DIY
#waterpump #waterwheel #freeenergy

Sanford School of Policy professor Billy Pizer outlines the challenges of designing policies that rein in the environmental impacts of energy use.

While it’s true that Earth’s temperatures and carbon dioxide levels have always fluctuated, the reality is that humans’ greenhouse emissions since the industrial revolution have put us in uncharted territory.

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Written by Dr Benjamin Henley and Assoc Prof Nerilie Abrams.
Animated and edited by Wes Mountain for The Conversation.
Music: Kevin Macleod – Faster Does It
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#MiniConstruction #ScienceProject #construction #dam #Mini #Hydroelectric
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Purpose:

The purpose of this video is to understand Greenhouse Gas(GHG) emissions in agriculture. The video talks of three basic constituents of agricultural emissions, viz carbon di oxide, methane, and nitrous oxide. It emphasises on commitment of Nestlé as orgnization to GHG reduction.
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Answers to selected questions (click “SHOW MORE”):

1c
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Contact info: Yiheng.Wang@lonestar.edu

What’s new in 2015?
1. Closed-caption made by myself! — not the automatic subtitle anymore.
2. Learning objectives added for each video.
3. Quiz questions added — including end-of assessment questions and preparatory, exploratory questions.
4. Mistakes fixed and cleaned up.
5. New examples/contents for selective videos.

My old videos and playlists will still be left on YouTube. Feel free to watch either one. Personally I think the revised videos are better mainly because of the subtitle.

Learning objectives of this video:
To introduce the concepts of power and mechanical efficiency, and their calculations.
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Dave closes out the basic DC circuit series with DC Power, Efficiency, & Maximum Power Transfer Theory tutorial. Includes Ohm’s law refresher.

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As early as the 7th century BC, humans have used solar technology. Take the full course, test yourself, and earn a certificate on edX: https://www.edx.org/course/solar-energy?utm_source=youtube&utm_medium=social&utm_campaign=partnership&utm_content=solar-energy
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