Archive for December, 2022

I turn a bunch of old CDs into a SOLAR PANEL for your home | Homemade Free Energy

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Do you want to create your own homemade solar panel for electricity? Here we teach you how I turn a bunch of old CDs into a solar panel. Build your own solar panel with just some old CDs and some simple materials.

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00:00 Intro words
00:25 The materials to build a solar panel at home
01:47 Part 1. Crafting a solar panel
05:16 Putting the aluminum foil
07:23 Part 2. Adding the conductive parts
10:19 Creating the wiring
11:07 Part 3. Creating the CD Matrix
12:57 Putting the frame back
13:45 Part 4. Testing the homemade solar panel
14:03 Using the solar panel with a tester
14:17 Powering a bulb with the homemade solar panel
14:50 Powering a motor with the homemade solar panel
15:15 Homemade 12 volt solar panel



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Reduce Greenhouse Gas Emissions to Net Zero

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Hear from Ted Borer, Energy Plant Director about how Princeton will achieve its net zero greenhouse gas emissions goal.

This month, we spotlight Princeton’s new net zero greenhouse gas reduction target. Starting now with scalable early action, we are setting the stage to become a fossil-fuel free campus by 2046. This target includes both direct emissions from on-site energy production and fleet fuel use, and indirect emissions from purchased electricity. Additional indirect emissions from commuting, procurement and other activities are being studied to assess actionable reductions.

Our actions toward net zero emissions rely on both known and unknown strategies. Today’s actions range from encouraging behavioral changes and the installation of new renewable energy infrastructure on campus, to rigorous investigation of new renewable electricity generated within our region.

Learn more:

Video by Jared Flesher, Office of Sustainability
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Pipelines are essential for keeping the lights on, homes warm, plants running, planes flying and water flowing. They also provide one of the safest means of transport. By taking some effective actions, they can contribute to the reduction of greenhouse gas emission significantly.

This video summarizes the paper first presented at International Pipeline Conference (IPC) 2022, Calgary Canada
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Hydroelectric Power – How it Works

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Hydroelectric Power - How it Works

How hydroelectric generating stations produce electricity.

This video was reposted on Jan. 9, 2014 (original video posted on Sept. 18, 2007)

What is Biomass? A Renewable Energy Source that Puts Organic Waste to Use

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What is Biomass? A Renewable Energy Source that Puts Organic Waste to Use

Biomass explained: Learn how forest and agriculture “leftovers” are used to create renewable energy. Most US biomass power producers use byproducts as fuel for electricity – materials like rice hulls or tree tops and limbs that can’t be made into another product. Not only is biomass a carbon neutral form of electricity, it also reduces the abundant organic waste created from other industries.

What can be done to reduce greenhouse gas emissions?

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Mike Walter sits down with Dr. MacCracken, chief scientist for Climate Change Programs with the Climate Institute, to discuss “capturing” carbon dioxide emissions.

Follow CCTV America’s The Heat:

One of the causes of global warming is CO2.
What can be done to reduce CO2 emissions on a global scale?
DENSO considered three ways to reduce CO2 emissions from automobiles.

How Does Hydroelectricity Work

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This video shows you how does hydroelectricty works, and some examples of hydroelectric power plant in the Philippines.
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How to Reduce Your Greenhouse Gas Emissions

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Learn how to reduce your greenhouse gas emissions with this guide from wikiHow:

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Experts say simple choices can reduce our own carbon footprints. Havard Gould has some tips.
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Tidal energy could be huge – why isn't it?

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It’s estimated that we could (practically) capture enough tidal energy to power all homes in the United States TWICE over – but we can only manage a tiny fraction of that right now. For a planet that is 70% water, why is this technology still so far behind other renewables? Are things about to change?

We’re destroying our environment at an alarming rate. But it doesn’t need to be this way. Our new channel Planet A explores the shift towards an eco-friendly world — and challenges our ideas about what dealing with climate change means. We look at the big and the small: What we can do and how the system needs to change. Every Friday we’ll take a truly global look at how to get us out of this mess.

#PlanetA #TidalPower #TidalEnergy

Reporter: Aditi Rajagopal
Camera and video editor: Henning Goll
Supervising editor: Kiyo Dörrer, Malte Rohwer-Kahlmann, Joanna Gottschalk

Special thanks for the background interviews:
Lisa MacKenzie and Matthew Finn, The European Marine Energy Centre
Andrea Copping, Pacific Northwest National Laboratory
Thomas Adcock, Oxford University

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IEF on Tidal Power:

Tidal Energy Outlook:

How tides work:

All about tidal range:

All about tidal stream:

00:00 Intro
00:49 What are tides again?
01:58 How does tidal power work?
02:59 Tidal range power
06:15 Tidal stream turbines – the new kid on the block
07:36 A barrage of costs
09:31 What about the environment?
11:08 Conclusion
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Tidal Power 101

Tidal power converts the energy from the natural rise and fall of the tides into electricity.
Learn more about Tidal Power and all types of energy at
Student Energy is currently developing the Global Youth Energy Outlook, a global youth-led report that will engage 50,000 young people around the world in 2021 to gather their perspectives on energy. Want to take part? If you’re between 18-30, head to to complete the survey! You can win 0 cash prizes in each region, or a fully funded trip to the next International Student Energy Summit!

Student Energy is a global youth-led organization empowering the next generation of leaders who are accelerating the transition to a sustainable, equitable energy future. We work with a network of 50,000 young people from over 120 countries to build the knowledge, skills, and networks they need to take action on energy. Learn more at

Reducing Greenhouse Gas Emissions – What You Can Do

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Reducing Greenhouse Gas Emissions – What You Can Do

#greehouse #climatechange #environment #ngscience
In this NGScience climate series, we look at the things you can do as an individual, community, country and a planet to reduce greenhouse gas emissions and help save the Earth from the far-reaching consequences of human induced climate change.

In our previous two videos, we learnt that the greenhouse effect is a natural process whereby greenhouses gases in the Earth’s atmosphere trap some of the heat from the Sun escaping back into space thereby creating a more stable temperature for life to thrive. We also learnt that many human activities are resulting in far more greenhouses gases in the atmosphere and this is causing the Earth to warm at a much higher rate than normal – a process called human induced climate change. The impacts of human-induced climate change are far-reaching and complex. They include alterations in precipitation, greater frequency in extreme weather events like wildfires, floods, hurricanes and droughts; sea level changes; and ocean acidification. Earth’s ecosystems are changing at alarming rates and the organisms that live face extinction if they are unable to adapt to change. Human-induced climate change also poses serious risks to human health, food security, water supplies, infrastructure, and economic activity.

Sounds pretty gloomy right? And it really is. The good news though…there’s plenty of things we can do as individuals, communities, countries and globally to slow human-inducing climate change and help save our precious planet.

A major contributor to increased greenhouse gases in our atmosphere is the burning of fossil fuels for electricity production. To reduce our demand on fossil fuels we can reduce energy consumption by using energy efficient appliances and turning off lights and electric devices when they are not in use. We can also encourage local governments to adopt renewable energy sources like solar, hydro and wind power. You can also take matters into your own hands by installing solar panels on the roof of your house or school. This way, you’ll meet all or most of your electricity requirements using the clean, renewable energy from the Sun. You could also use solar water heating to provide your household with warm water for bathing and washing.

Fossils fuels are also burned to power the vehicles we use including motorcycles, cars, buses and trucks and airplanes and ships. To reduce greenhouse gas emissions from vehicles we can simply use them less often. If your school or local shops are nearby, trying walking or riding a bike. In recent years, the use of electric vehicles are becoming more and more popular. Rather than using a combustion engine that burns petrol, diesel or gas, an electric vehicles runs purely on electricity and has the same performance as a vehicle with a combustion engine…sometimes ever better. Switching to electric vehicles will also drastically reduce hazardous air pollution in our cities.

Trees and forests play an important role in reducing greenhouse gases because they act as a carbon sink. When trees and other plants photosynthesize, they absorb carbon dioxide from the atmosphere and store it in their tissues. In this way, they help to offset the greenhouse gas emissions that come from human activities. When humans come along and clear forests for land use, a process called deforestation, we prevent this absorption of carbon dioxide from the atmosphere, again contributing to increased greenhouse gases in the atmosphere. We can encourage governments to stop deforestation and only used timber from sustainable forests whereby the trees grow back at the same rate they are being used. Planting trees and plants is another way you can be actively involved in reducing greenhouses gases. Check if any tree planting activities are taking place in your community.

You may recall that cows are an unlikely contributor to increased greenhouse gases in our atmosphere. When digesting the grasses and grains they eat the release the greenhouse gas methane. To reduce methane emissions from cows, we can simply choose to eat less meat and focus on a more plant based diet.

In recent years, scientists and food nutritionists have developed traditional meat products like minced beef, burgers and sausages that are made entirely of plants. Many meat-lovers cannot tell the difference between these plant-based protein foods and their meat counterparts. Some even think they taste better! There’s also alternatives to dairy foods, like almond or oat milk and even dairy-free cheses!

I’m off to try some now!

Thanks for learning and I’ll see ya next time.

Why This Liquid That Stores Solar Energy for Years Matters

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Exploring why this liquid that stores solar energy for years matters. To start comparing quotes and simplify insurance-buying, check out Policygenius: Thanks to Policygenius for sponsoring this video! Storing solar energy cheaply and efficiently is a key component for the future of renewable energy. Even though lithium ion batteries are great for solar power, they can still be costly and, depending on the chemistry, there can be safety concerns. There are ways we can store solar energy more directly though … and one of those is heat. For instance, concentrated solar energy plants can use that heat for producing electricity, cement, steel, green hydrogen, or anything else that needs high temperatures. Or for storing that thermal energy for days. A recent breakthrough could allow us to store solar energy directly into a liquid for up to 18 years. How’s it work? And could this be a viable path forward for solar energy storage? Let’s see if we can come to a decision on this.

Watch Exploring Solar Panel Efficiency Breakthroughs in 2022

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