Listen Now

previouslyunknown.caInstagramUbuntuFortranC++Degrees of Freedom Computational Fluid Dynamics (CFD)Kahn Academy Cortisol Mike Rowe Dirty Jobs CNA Mechanical Technology Program (NL) NBCC Mechanical Technology (NB) NBCC Power Engineering Technology Overview of Power Engineering Overview of Power Generation YouTube link to Powerline Worker Wearing Faraday Cage House Hippos Infomercial 2045 Avatar Project Ghost in the Shell (IMDB) The list we discussed: Top 10 emerging tech innovations and ethical dilemmas I Now Pronounce you Chuck and Larry (IMDB)Previously Unknown’s Video: Microlattices and Microstructure: Metal 3D Printing is Changing Manufacturing Forever

This episode is the raw audio from my discussion with Dr. Mohsen Mohammadi. Dr. Mohammadi is an associate professor at the University of New Brunswick and his primary research is in metal additive manufacturing. If you would like to learn more about additive manufacturing, check out my video on the Previously Unknown YouTube channel:https://youtu.be/MX13o7mpj-ITo check out Dr. Mohammadi, you can see his UNB profile page here and his publications here.

Matt finished up additive manufacturing video on YouTubeLewis talks about his craft show for @eat.sleep.tinkerHartland Covered Bridge, New Brunswick Canada See Episode 04 for the Dr. Frank Collins Interview RecapBlek GameCarol Dweck “Mindset: The New Psychology of Success” “Grit” by Angela DuckworthGrit Scale Test Mike Boyd's Learn Quick Channel Skillshare Diffuse mode of learning

This episode is the raw audio from an interview Lewis had with Dr. Frank Collins, a chemical engineering professor at the University of New Brunswick. Dr. Collins' noticed a change in students that led them to developing learned helplessness. In this episode, Lewis and Dr. Collins discuss how he came across this conclusion through experimentation and how he overcame his own troubles as a student.Additional show notes coming soon.LINKS:Email: contact@previouslyunknown.ca Subreddit: https://www.reddit.com/r/PreviouslyUnknownWebsite: previouslyunknown.ca Instagram: @previouslyunknownpodcastTwitter: @prevunknownpod

Original Publish Date: March 8, 2018(0:08)Music discussions, Music VideosPanic at the Disco- Started in 2004“I Write Sins Not Tragedies” https://www.youtube.com/watch?v=vc6vs-l5dkc“Emporors New Clothes” https://www.youtube.com/watch?v=7qFF2v8VsaAJoyner Lucas’ Song about Suicide “I’m Sorry (508)-507-2209”  (Explicit Language) https://www.youtube.com/watch?v=AjKbw1Cqpt0(8:29)Starbucks Recyclinghttps://www.starbucks.ca/responsibility/environment/recyclinghttps://www.starbucks.com/responsibility/environment/recyclinghttps://www.stand.earth/starbucks-secret?utm_content=buffer75ce3&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer(13:52)Episode 00 needed audio tweaking, will revisit questions in future(14:55)Tall people nod(16:08)“What one thing would you take from society?”Matt: Technology in kid’s livesIpods still a thing? 6th gen came out in 2015 https://support.apple.com/en-ca/HT204217How to balance tech as parents of young kids(23:54)“What will you be most nostalgic of in 30 years?”Lewis: DVDsBlockbuster: Mass closure in 2013, still a few stores left in Alaska http://www.businessinsider.com/blockbuster-still-exists-but-one-in-alaska-is-closing-2017-6#this-location-in-anchorage-was-still-encouraging-people-to-join-6(32:14)Lewis asks “What would you do if you won the Lottery?”http://www.businessinsider.com/lottery-winner-demands-anonymity-2018-2(39:09)Matt asks “If you could pimp any animal, what would it be?”(40:29)Matt asks “What kid’s movie scared you when you were younger?”Brave Little Toaster: https://uproxx.com/hitfix/true-story-the-brave-little-toaster-scarred-me-for-life/(43:22)Lewis asks “What was the worst nightmare you had?”Dreams: Do you interpret them literally?Lewis talks about an early nightmareMatt talks about sleep paralysis(50:18)Matt introduces natural convection in zero gravity.Zero gravity planes: https://www.gozerog.com/Ok Go Music Video: https://www.youtube.com/watch?v=LWGJA9i18CoLotto et al study on convective heat transfer under .05gWhat happens if you sweat in space and the power goes out in space station?(59:50)Lewis discusses fun facts about Webb telescopeNorthrup Grumman “Into the Unknown” https://www.youtube.com/watch?v=JnpZzPAsz1UJames Webb Telescope-Space Documentary 2018 https://www.youtube.com/watch?v=kvddgybFoUsThe Verge “Th

In the 3rd episode of the Previously Unknown Podcast, Matt and Lewis talk a bit about metal 3D printing and how it is going to change manufacturing. The show then swings to some Question Quickfire and we discuss the latest Instagram Posts. Come along for the ride!LINKS:Email: contact@previouslyunknown.caSubreddit: https://www.reddit.com/r/PreviouslyUnknownWebsite: previouslyunknown.caInstagram: @previouslyunknownpodcastDETAILED SHOWNOTES:(0:00)Matt and Lewis catch up, talking computer storage, screens, cheap telescopes(4:15)Lewis dives into metal 3D printingSpaceX 3D printed boosters http://www.spacex.com/news/2014/07/31/spacex-launches-3d-printed-part-space-creates-printed-engine-chamber-crewedGE has a nozzle as well https://www.ge.com/reports/mind-meld-ge-3d-printing-visionary-joined-forces/(7:50)Matt talks about printing with different properties(8:25)Marine Additive Manufacturing at UNB http://unb.ca/mamce/(9:00)Airbus seat buckles https://www.forbes.com/sites/airbus/2014/07/15/how-adding-a-new-dimension-to-airplanes-is-delivering-parts-on-demand/#4d07481a3d55(10:00)How are stresses relieved for 3D printing https://www.engineering.com/3DPrinting/3DPrintingArticles/ArticleID/15202/7-Issues-to-Look-Out-for-in-Metal-3D-Printing.aspx(13:25)Honeycomb printing for metal http://www.3dprinterworld.com/article/stronger-than-steel-lighter-than-water-3d-printed-micro-trusses(15:44)Ceramic cutters and tolerancing on finish https://www.youtube.com/watch?v=c1K5QjR3hyU(20:57)Talk briefly about injection molding molds(23:30)3D printed cast moon https://www.kickstarter.com/projects/1822742096/moon-the-most-accurate-lunar-globe(26:25)Tracking Tiangong http://www.satview.org/(27:30)Humanity star https://www.thehumanitystar.com/(29:45)Matt didn’t edit out the nerd out(30:00)Random question quick fire(30:25)Lewis: What would you do with 2 million $$ to impact the most amount of people?(35:29)Lewis: What statistic for your life would you like to see?(38:05)Photoshop an orb of light into Matt’s hand(38:15)We go over Matts Five Fun Facts post on Instagram(39:02)Matt talks about polar aligning his telescope using his dog(44:44)Five Fun Facts for Lewis(53:25)Matt: What is your biggest Screw up in the kitchen?(56:28)Lewis: Would you rather control water or fire?(1:00:30)Matt talks about his water rocket(1:04:00)Lewis talks about his anemometer project(1:08:50)Matt and Lewis talk about the next episodes topics

Original Publish Date: March 10, 2018Acronyms used:ISS (International Space Station)NASA (National Aeronautics and Space Administration)LEM (Lunar Excursion Module) (0:16)Matt reads a paper from our News Corner about Tiangong-1 crashing into our planetUnited Nations, General Assembly, Committee on the Peaceful Uses of Outer Space, December 12, 2017, “Note verbale dated 8 December 2017 from the Permanent Mission of China to the United Nations (Vienna) addressed to the Secretary-General”, V1708786Ehttps://www.livescience.com/61955-chinese-space-station-reentry.html(3:30)Woman hit by space debris in 1997 https://www.npr.org/2011/09/21/140641362/where-falling-satellite-lands-is-anyones-guess(5:20)Tiangong-1 hit area http://www.aerospace.org/cords/reentry-predictions/tiangong-1-reentry/cite)(8:54)Jeff Bezos and Elon Musk Tweet-off  https://www.space.com/39600-jeff-bezos-wishes-elon-musk-good-luck.htmlWho is CEO of Virgin Galactic? http://www.independent.co.uk/news/business/news/a-view-from-the-top-josh-bayliss-ceo-virgin-group-galactica-cruises-money-media-a7744541.html(10:20)Richard Branson doesn’t let dyslexia stop him(10:37)Freakonomics Podcast referencing Branson http://freakonomics.com/podcast/richard-branson/(11:18)Grit from Freakonomics perspective http://freakonomics.com/podcast/grit/(12:30)The power of iteration(13:50)UNB Engg 1015 – Power/disadvantage of participation awards. The game, Blek http://blekgame.com/(19:14)Heat Transfer in space(20:55)Matt’s brilliant segue to convection from conduction(24:24)We touch on “zero” gravity planes again(26:00)Upside Down, Inside Out: making the video https://www.redbull.com/ca-en/ok-go-how-they-made-their-zero-gravity-video(27:00)Research in “mini” gravity: Lotto et al. use parabolic aircraft to do tests on convection(28:49)Astronaut overheating, Wear the “water onsie” https://en.wikipedia.org/wiki/Liquid_Cooling_and_Ventilation_Garment(30:04)Flame in Space https://www.space.com/21515-fire-space-microgravity-research.htmlControlled burn in Space (not on ISS) https://www.nasa.gov/mission_pages/station/research/experiments/1761.html(31:54)Dangers of Carbon Dioxide https://www.reddit.com/r/askscience/comments/2jzzlj/if_co2_is_heavier_than_air_why_doesnt_it_all_sink/?st=jepn5fui&sh=bf2bfa8e(32:44)  Would you boil if your cooling system failed?How do the astronauts vent heat to space? https://planetaryvision.blogspot.ca/2013