How Rwanda is Becoming the Singapore of Africa

From Wendover Productions. Watch over 2,000 documentaries for free for 30 days by signing up at http://CuriosityStream.com/Wendover and using the code, “Wendover” at checkout Subscribe to Half as Interesting (The other channel from Wendover Productions): https://www.youtube.com/halfasinteresting Get the Wendover Productions t-shirt: https://standard.tv/collections/wendover-productions/products/wendover-productions-shirt Check out my personal channel: https://www.youtube.com/channel/UCDA1X6RrhzZQOHOGvC3KsWg Support Wendover Productions on Patreon: https://www.patreon.com/wendoverproductions Youtube:…

What causes rare rainbow arcs? – Sixty Symbols

From Sixty Symbols. Professor Mike Merrifield discusses semi-rare circumzenithal arcs and even rarer supralateral arcs. More links and info below ↓ ↓ ↓ More videos with Professor Merrifield: http://bit.ly/Merrifield_Playlist More weather-type videos like this one: http://bit.ly/Weather_Videos HaloSim: https://www.atoptics.co.uk/halo/halfeat.htm Astronomy Picture of the Day featuring arcs by Magnus Edback: https://apod.nasa.gov/apod/ap181221.html Mike on Twitter: https://twitter.com/astromikemerri Brady on…

Diamond Nuclear Batteries Are Forever… Sort Of

From Seeker. Batteries that run on BETA DECAY?! How exactly does a nuclear diamond battery work and why would we even want one? This Fluoride Battery Could Mean Phone Batteries That Last a Week – https://youtu.be/kPXQ6zNFFaI Read More: Nuclear Battery http://www.ijlemr.com/papers/volume3-issue4/31-IJLEMR-33180.pdf “Like nuclear reactors nuclear battery generates electricity from radiation energy, but differ from them…

What Eating Rotten Food Really Does To Your Body

From Life Noggin. Food poisoning is awful, but what’s actually happening inside your body when you eat rotten food? Watch more: “Could A Plant Grow Inside You?” ►► https://www.youtube.com/watch?v=xK4uxNZRwTk Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch: http://keeponthinking.co Support Life Noggin on Patreon: https://patreon.com/LifeNogginStudios Follow Life Noggin! Instagram: https://instagram.com/lifenoggin/ Twitter: https://twitter.com/lifenoggin Watch More Life…

Cramer’s rule, explained geometrically | Essence of linear algebra, chapter 12

From 3Blue1Brown. This rule seems random to many students, but it has a beautiful reason for being true. Full series: http://3b1b.co/eola Home page: https://www.3blue1brown.com/ Special thanks to these supporters: http://3b1b.co/cramer-thanks —- If you want to contribute translated subtitles or to help review those that have already been made by others and need approval, you can…

The Secret of Parabolic Ghosts

From Mathologer. Today we’ll perform some real mathematical magic—we’ll conjure up some real-life ghosts. The main ingredient to this sorcery are some properties of x squared that they don’t teach you in school. Featuring the mysterious whispering dishes, the Mirage hologram maker and some origami x squared.paper magic. Here is a nice article about the…

A 5G World Is on the Horizon, But How Will It Work?

From Seeker. The rumors of a 5G wireless network, with the fastest connectivity we’ve ever experienced, is finally coming this year. Can We Power the World With a Single Energy Grid? – https://youtu.be/aE6EQyOFNkM Read More: Qualcomm already has a new 5G chip that promises sleeker, long-lasting phones https://www.cnet.com/g00/news/qualcomms-new-5g-multimode-chip-means-sleeker-phones-better-battery-life/?i10c.ua=1&i10c.encReferrer=&i10c.dv=5 “Issue a command now on a smartphone…

Ketamine Gets Controversial FDA Approval for Depression Treatment | SciShow News

From SciShow. The FDA has approved a whole new class of antidepressant, and ultrasounds might be far more useful than we thought. Hosted by: Hank Green SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at https://www.scishowtangents.org ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Huge thanks go to…

Hello (World) Abstraction! – Computerphile

From Computerphile. What’s the simplest program you can write? Dr Steve Bagley on the layers of abstraction that bulk up Hello World. EXTRA BITS: https://youtu.be/wxZFWvgyuYs https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More at…

What Happens When You Step On A Rusty Nail? – Dear Blocko #13

From Life Noggin. It’s Dear Blocko #13 – Rusty Nail Edition! Watch the previous Dear Blocko ►► https://www.youtube.com/watch?v=CJY6BKg-eP4 Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch: http://keeponthinking.co Follow Life Noggin! Instagram: https://instagram.com/lifenoggin/ Twitter: https://twitter.com/lifenoggin Watch More Dear Blocko: Dear Blocko #11: https://www.youtube.com/watch?v=2cTIMsywFjc Dear Blocko #10: https://www.youtube.com/watch?v=-4F8BBqjm_g Dear Blocko #9: https://www.youtube.com/watch?v=1mt5nvWXrus&list=PL8L0MzSk_V6JtEDRfRMyb6rFd1acqYSlO&index=18&t=0s Latest Uploads: https://youtube.com/watch?v=4A6XkYpmidU&list=PL8L0MzSk_V6JtEDRfRMyb6rFd1acqYSlO We…

Invasive Plants & Restoration Ecology | SciShow Talk Show

From SciShow. Today Hank talks with Dr. Cara Nelson about invasive plants that use toxic chemicals and rapid reproduction to outcompete native plants, and Jessi brings some adorable invasive birds. Dr. Nelson is a professor of Restoration Ecology at the W.A. Franke College of Forestry and Conservation, University of Montana. Hosted by: Hank Green SciShow…

Is Windows Update Getting WORSE?!

From Techquickie. Get an unrestricted 30-day free trial of FreshBooks at https://www.freshbooks.com/techquickie Why has Microsoft taken more and more control over Windows Update out of the hands of users? Techquickie Merch Store: https://www.lttstore.com Follow: http://twitter.com/linustech Join the community: http://linustechtips.com Leave a reply with your requests for future episodes, or tweet them here: http://twitter.com/jmart604

How Flexible Machines Could Save The World

From 1veritasium, 2veritasium, or sciencium. Compliant mechanisms have lots of advantages over traditional devices. SimpliSafe is awesome security. It’s really effective, easy to use, and the price is great. Check out SimpliSafe here: https://simplisafe.com/veritasium I visited the Compliant Mechanisms Research group at Brigham Young University and spoke to Professor Larry Howell: https://www.compliantmechanisms.byu.edu At the above…

Have You Been Pwned? – Computerphile

From Computerphile. Would you type your password into a random box on the internet? Dr Mike Pound on ensuring your password hasn’t already been hacked. Have I Been Pwned: https://bit.ly/c_troys-site How to Choose a Password: https://youtu.be/3NjQ9b3pgIg Password Cracking: https://www.youtube.com/watch?v=7U-RbOKanYs Beast and the GPU Cluster: https://www.youtube.com/watch?v=RG2Z7Xgthb4 https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean…

New Superpermutations Discovered!

From Standup Mathematician. Join in the Superpermutation effort! The superpermutator google group: https://groups.google.com/forum/#!forum/superpermutators Watch the full song in all its 25-minute glory or download it from Bandcamp: https://youtu.be/n4WpyNMfQ2Q https://standupmaths.bandcamp.com/track/5906-superpermutation-by-greg-egan Details about the new superpermutation on Greg Egan’s website: http://www.gregegan.net/SCIENCE/Superpermutations/Superpermutations.html#NEWS2 Here is the sheet music if that is your kind of thig: https://s3.boskent.com/superpermutations/7/5906-piano-score.pdf More with Helen…

The Big Problem With The Drugs You Take

From Life Noggin. Who makes sure the drugs you take are safe, and can you trust them? TAKE THIS SURVEY! (sponsored link): http://bit.ly/LifeNoggin Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life Noggin merch: http://keeponthinking.co Support Life Noggin on Patreon: https://patreon.com/LifeNogginStudios Follow Life Noggin! Instagram: https://instagram.com/lifenoggin/ Twitter: https://twitter.com/lifenoggin Watch More Life Noggin: Latest Uploads: https://youtube.com/watch?v=4A6XkYpmidU&list=PL8L0MzSk_V6JtEDRfRMyb6rFd1acqYSlO Big Questions:…

The ONLY Way to Upgrade Your MacBook…

From Techquickie. Thanks, Sabrent for sponsoring this Techquickie video! Use promo code 15OFFLINUS to get 15% Off an XTRM or Rocket Pro on Amazon at: XTRM – https://lmg.gg/8KVwC Rocket Pro – https://lmg.gg/8KVwM What should you know when buying an external SSD? Techquickie Merch Store: https://www.lttstore.com Follow: http://twitter.com/linustech Join the community: http://linustechtips.com Leave a reply with…

8 Awe-Inspiring Spiders

From SciShow. Whether it’s building bridges across rivers or solving puzzles, spiders are way cooler than you might think. Many have smart or elaborate features that allow them to do some pretty extraordinary things! Hosted by: Olivia Gordon SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at https://www.scishowtangents.org ———- Support SciShow…

A Personal Computer Could Grow Your Food in the Future

From Seeker. Want tastier food? Just follow the recipe. Brainchild of Caleb Harper at MIT Media Lab, this food computer is an open-source technology that lets you engineer a climate for custom crops. Watch more Focal Point: https://www.youtube.com/playlist?list=PL6uC-XGZC7X6f-uzsDfxDXNuMMUZb3ljI Read More: This Is Roquette Science: How Computerized Arugula Farms Take Over the World http://www.anthropocenemagazine.org/2018/07/this-is-roquette-science/ “Automated agriculture…

Wireless Electricity Is FINALLY Coming, Here’s Where We’re At

From Seeker. Imagine a world where charging cords don’t exist and every device is powered as soon you walk into a room. Well, soon that might be a reality. Disney Invented A Room Where Your Phone Will Never Die – https://www.youtube.com/watch?v=IWjsXjVc_LE Read More: Converting Wi-Fi signals to electricity with new 2-D materials http://news.mit.edu/2019/converting-wi-fi-signals-electricity-0128 “Another possible…