How to Build a Dyson Sphere – The Ultimate Megastructure

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If humans want to expand into space, it will take us incredible amounts of energy. How do we do that? Easy: we will just use the sun’s energy by realizing the most ambitious construction project in history. This is how it works.

Sources:
https://sites.google.com/view/sourcesdysonsphere/startseite

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100 solutions to reverse global warming | Chad Frischmann

What if we took out more greenhouse gases than we put into the atmosphere? This hypothetical scenario, known as “drawdown,” is our only hope of averting climate disaster, says strategist Chad Frischmann. In a forward-thinking talk, he shares solutions to climate change that exist today — conventional tactics like the use of renewable energy and better land management as well as some lesser-known approaches, like changes to food production, better family planning and the education of girls. Learn more about how we can reverse global warming and create a world where regeneration, not destruction, is the rule.

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Can Screens Damage Your Eyes?

You might have heard that exposure to unnatural lights from digital devices can hurt your eyes. But is that true?

Hosted by: Stefan Chin

SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at https://www.scishowtangents.org
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Sources:
http://pubs.rsc.org/en/Content/ArticleLanding/2017/IB/c7ib00032d#!divAbstract
http://www.molvis.org/molvis/v15/a205/
https://iovs.arvojournals.org/article.aspx?articleid=2123554
http://mellerio.org.uk/vision/chapt116.pdf
https://www.nature.com/articles/eye2015261.pdf
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4734149/
https://www.reuters.com/article/us-health-eyes-blue-light-idUSKCN0V727H
https://www.theguardian.com/lifeandstyle/2018/may/28/blue-light-led-screens-cancer-insomnia-health-issues
https://bmjophth.bmj.com/content/3/1/e000146
https://www.sciencedaily.com/releases/2017/08/170822103434.htm
https://onlinelibrary.wiley.com/doi/pdf/10.1111/opo.12406
https://www.icnirp.org/cms/upload/publications/ICNIRPVisible_Infrared2013.pdf
https://www.mayoclinic.org/diseases-conditions/eyestrain/symptoms-causes/syc-20372397

Image Sources:
https://en.wikipedia.org/wiki/Visible_spectrum#/media/File:Linear_visible_spectrum.svg

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How Engineers Are Turning Wind into Protein Powder

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Alternative energy is great, but our infrastructure isn’t exactly equipped to handle it. So scientists are coming up with other ways to use it, including turning it into food.

Hosted by: Stefan Chin

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Sources: https://www.sciencedirect.com/science/article/pii/S0301421511000292
https://www.technologyreview.com/s/610366/relying-on-renewables-alone-would-significantly-raise-the-cost-of-overhauling-the-energy/
https://www.technologyreview.com/s/611683/the-25-trillion-reason-we-cant-rely-on-batteries-to-clean-up-the-grid/
https://www.sciencedirect.com/science/article/pii/S0960148115301610
https://www.economist.com/science-and-technology/2015/04/25/gas-guzzlers
https://www.newscientist.com/article/2112298-food-made-from-natural-gas-will-soon-feed-farm-animals-and-us/
https://www.ft.com/content/f520cebc-dbe5-11e6-9d7c-be108f1c1dce
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC239451/
https://www.sciencedirect.com/science/article/pii/S1075996417300446

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How Quantum Mechanics Saved Physics From Ovens

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You might think that quantum physics was discovered because of some super complicated electron behavior or something, but it was actually invented to explain ovens.

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Sources:
http://galileo.phys.virginia.edu/classes/252/black_body_radiation.html
http://galileo.phys.virginia.edu/classes/252/PlanckStory.pdf
https://chem.libretexts.org/LibreTexts/Howard_University/Howard%3A_Physical_Chemistry_Laboratory/10._Blackbody_Radiation
https://www.youtube.com/watch?v=FXfrncRey-4
https://books.google.com/books?id=W5kyppVPyesC&lpg=PP1&pg=PA23#v=onepage&q&f=false
https://www.researchgate.net/publication/267650295_A_Brief_History_of_the_T4_Radiation_Law
https://www.nobelprize.org/prizes/physics/1911/wien/lecture/

Image Sources:
https://en.wikipedia.org/wiki/Max_Planck
https://en.wikipedia.org/wiki/File:Einstein_1921_by_F_Schmutzer_-_restoration.jpg
https://commons.wikimedia.org/wiki/File:Gustav_Robert_Kirchhoff.jpg
https://en.wikipedia.org/wiki/Wilhelm_Wien#/media/File:Wilhelm_Wien_1911.jpg
https://en.wikipedia.org/wiki/File:Mplwp_blackbody_nu_planck-wien-rj_5800K.svg
https://en.wikipedia.org/wiki/John_William_Strutt,_3rd_Baron_Rayleigh#/media/File:John_William_Strutt.jpg

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5 transformational policies for a prosperous and sustainable world | Johan Rockström

In a talk about how we can build a robust future without wrecking the planet, sustainability expert Johan Rockström debuts the Earth3 model — a new methodology that combines the UN Sustainable Development Goals with the nine planetary boundaries, beyond which earth’s vital systems could become unstable. Learn more about five transformational policies that could help us achieve inclusive and prosperous world development while keeping the earth stable and resilient.

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How we can make energy more affordable for low-income families | DeAndrea Salvador

Every month, millions of Americans face an impossible choice: pay for energy to power their homes, or pay for basic needs like food and medicine. TED Fellow DeAndrea Salvador is working to reduce energy costs so that no one has to make this kind of decision. In this quick talk, she shares her plan to help low-income families reduce their bills while also building a cleaner, more sustainable and more affordable energy future for us all.

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Where Are All the Electric Airplanes?

Cheddar recently launched their YouTube channel where they cover future focused topics! Check out their video, Can Empathy Prevent a Robot Uprising?, here: https://chdr.tv/youtu62cfc

Clean, renewable energy is becoming more and more common in our everyday lives. But, as our cars and buildings become more green, tens of thousands of airplanes fly every day using petroleum-based fuel, and there’s seemingly no end in sight. Why?

Hosted by: Stefan Chin

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Sources:
https://www.cnn.com/travel/article/electric-aircraft/index.html
https://www.sciencedirect.com/science/article/pii/S0016236112011088
https://www.sciencedirect.com/science/article/pii/S0010218012000715?via%3Dihub
https://www.eia.gov/todayinenergy/detail.php?id=9991
Combustion Physics; Chung K. Law.
https://web.archive.org/web/20110608075828/http://www.bp.com/liveassets/bp_internet/aviation/air_bp/STAGING/local_assets/downloads_pdfs/a/air_bp_products_handbook_04004_1.pdf
https://www.chemistryviews.org/details/ezine/3622371/145_Years_of_Dynamite.html
https://web.archive.org/web/20150722042425/http://industrial.panasonic.com/lecs/www-data/pdf2/ACA4000/ACA4000CE417.pdf
http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch7/ie_ea.php
https://engineering.mit.edu/engage/ask-an-engineer/how-does-a-battery-work/
https://www.topspeed.com/aviation/aviation-reviews/boeing/1998-2010-boeing-737-800-ar85475.htm
http://www.narita-airport.or.jp/ais/e/model/737.html
https://www.cnbc.com/2018/03/09/plane-maker-to-test-all-electric-jet-in-2019-sets-sights-on-ipo.html
https://www.statista.com/statistics/614178/cruising-speed-of-most-common-airliners/
https://www.airbus.com/newsroom/press-releases/en/2017/11/airbus–rolls-royce–and-siemens-team-up-for-electric-future-par.html
http://science.sciencemag.org/content/350/6260/530

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How Much Junk Is in Your DNA Trunk?

The human genome is 3.2 billion base pairs long and contains around 20,000 genes, but how much of that is garbage?

Hosted by: Hank Green

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Sources:

https://ghr.nlm.nih.gov/primer/basics/noncodingdna
https://www.newscientist.com/article/2140926-at-least-75-per-cent-of-our-dna-really-is-useless-junk-after-all/
https://academic.oup.com/gbe/article/9/7/1880/3952726
http://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1004525
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4014423/
https://www.nationalgeographic.com/science/phenomena/2014/05/09/the-case-for-junk-dna/
https://www.nytimes.com/2015/03/08/magazine/is-most-of-our-dna-garbage.html?_r=2
http://blogs.nature.com/news/2012/09/fighting-about-encode-and-junk.html
https://www.nature.com/articles/nature11247.epdf?referrer_access_token=-oIaEqcMlO-8El4OQnjfGtRgN0jAjWel9jnR3ZoTv0PRZB2AK6JQcl4sWXAzAe1sS0BaH6VKRaD3DHi4SCJXRyAWvZossasULHYNxEBpm1GOr7fr1Bz43s9TOcHqePiEGTnYDH1Zsl51UjgZDKqXylkidppHjwO8wDozG5iobY5uTPmX4UtDFIR4U51ayduQ6RDDXdxU_U1CPzl69dhkQmwKzTYln4quAlhdGRsbtwk6S3VfvTWYqHuRLBxMw6MF&tracking_referrer=blogs.nature.com
http://blogs.discovermagazine.com/notrocketscience/2012/09/05/encode-the-rough-guide-to-the-human-genome/
http://www.genetics.org/content/186/4/1085.short
https://www.cell.com/molecular-cell/fulltext/S1097-2765(14)00523-1?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS1097276514005231%3Fshowall%3Dtrue
https://www.frontiersin.org/articles/10.3389/fgene.2015.00328/full
http://mcb.asm.org/content/32/24/4892.full
https://biologydictionary.net/intron/
https://www.nature.com/scitable/topicpage/genetic-drift-and-effective-population-size-772523
https://www.nature.com/scitable/topicpage/transposons-the-jumping-genes-518

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What Do “Smart Pills” Really Do to Your Brain?

Nootropics are a group of chemicals that supposedly make you “smarter” without any side-effects. But don’t rush into it yet! It might be still too experimental to test it out.

Hosted by: Hank Green
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Sources:
https://books.google.com/books?id=h2DTNDFcC14C
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4863555/
http://www.bbc.com/future/story/20140729-the-truth-about-smart-drugs
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.336.9523&rep=rep1&type=pdf
https://link.springer.com/article/10.1007/BF00426834
https://www.ncbi.nlm.nih.gov/pubmed/20166767
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3881046/#b28-etm-07-02-0429
https://www.ncbi.nlm.nih.gov/pubmed/3002398
https://www.ncbi.nlm.nih.gov/pubmed/11405971
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2696807/
https://www.sciencedirect.com/science/article/pii/S0028390812003449
https://www.europeanneuropsychopharmacology.com/article/S0924-977X(15)00249-7/abstract
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.361.2792&rep=rep1&type=pdf
https://www.ncbi.nlm.nih.gov/pubmed/16885432
https://pjb.mycpanel2.princeton.edu/wp/index.php/2012/11/05/nootropics-an-ethical-discussion/

Image Sources:
https://commons.wikimedia.org/wiki/Isaac_Newton#/media/File:Hw-newton.jpg
https://commons.wikimedia.org/wiki/Nikola_Tesla#/media/File:Tesla3.jpg
https://en.wikipedia.org/wiki/Piracetam#/media/File:Piracetam.svg
https://en.wikipedia.org/wiki/Modafinil#/media/File:Modafinil.svg
https://en.wikipedia.org/wiki/Glutamate_(neurotransmitter)#/media/File:L-Glutamate_Structural_Formulae.png

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