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Hacker Public Radio
Hacker Public Radio
10 episodes
21 hours ago
03-Reactor-Basics 01 Introduction In this episode we will describe the basic features and characteristics of reactors together with descriptions of the most widely used commercial reactor types. 03 Fast Versus Slow Reactors 04 Slow Neutron Reactors 06 Fast Neutron Reactors 08 Reactor Moderators 10 Light Water 11 Heavy Water 13 Graphite 14 Unmoderated 15 Coolants 16 Common Coolants 17 Alternative Coolants 18 Primary and Secondary Coolant Loops 20 Steam Generation 23 Brayton Cycle Gas Turbines 24 Refuelling Method 25 Main Commercial Reactor Types 26 PWR - Pressurized Water Reactor 28 BWR - Boiling Water Reactor 29 PHWR - Pressurized Heavy Water Reactor 33 Conclusion We have covered the main reactor characteristics.  These characteristics can be mixed in various ways to give different reactor types. The characteristics also affect the types of fuel that can be used. We also covered the three main commercial power generation reactor types. In the next episode we will describe some of the less common historical reactor types.
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Technology
Education,
Tech News
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03-Reactor-Basics 01 Introduction In this episode we will describe the basic features and characteristics of reactors together with descriptions of the most widely used commercial reactor types. 03 Fast Versus Slow Reactors 04 Slow Neutron Reactors 06 Fast Neutron Reactors 08 Reactor Moderators 10 Light Water 11 Heavy Water 13 Graphite 14 Unmoderated 15 Coolants 16 Common Coolants 17 Alternative Coolants 18 Primary and Secondary Coolant Loops 20 Steam Generation 23 Brayton Cycle Gas Turbines 24 Refuelling Method 25 Main Commercial Reactor Types 26 PWR - Pressurized Water Reactor 28 BWR - Boiling Water Reactor 29 PHWR - Pressurized Heavy Water Reactor 33 Conclusion We have covered the main reactor characteristics.  These characteristics can be mixed in various ways to give different reactor types. The characteristics also affect the types of fuel that can be used. We also covered the three main commercial power generation reactor types. In the next episode we will describe some of the less common historical reactor types.
Show more...
Technology
Education,
Tech News
Episodes (10/10)
Hacker Public Radio
HPR4543: Nuclear Reactor Technology - Ep 3 Reactor Basics
03-Reactor-Basics 01 Introduction In this episode we will describe the basic features and characteristics of reactors together with descriptions of the most widely used commercial reactor types. 03 Fast Versus Slow Reactors 04 Slow Neutron Reactors 06 Fast Neutron Reactors 08 Reactor Moderators 10 Light Water 11 Heavy Water 13 Graphite 14 Unmoderated 15 Coolants 16 Common Coolants 17 Alternative Coolants 18 Primary and Secondary Coolant Loops 20 Steam Generation 23 Brayton Cycle Gas Turbines 24 Refuelling Method 25 Main Commercial Reactor Types 26 PWR - Pressurized Water Reactor 28 BWR - Boiling Water Reactor 29 PHWR - Pressurized Heavy Water Reactor 33 Conclusion We have covered the main reactor characteristics.  These characteristics can be mixed in various ways to give different reactor types. The characteristics also affect the types of fuel that can be used. We also covered the three main commercial power generation reactor types. In the next episode we will describe some of the less common historical reactor types.
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21 hours ago

Hacker Public Radio
HPR4542: Can Haiku Mumble?
Haiku: https://www.haiku-os.org/ BeOS: https://en.wikipedia.org/wiki/BeOS Mumble: https://www.mumble.info/ HPR NYE Show: https://hackerpublicradio.org/new_year.html How to Connect to HPR Community Room using Mumble: https://hackerpublicradio.org/mumble-howto
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1 day ago

Hacker Public Radio
HPR4541: HPR Beer Garden 7 - UK Christmas Ales
With Christmas approaching (and actually gone by the time this is posted), Kevie, Dave and Paul try out a variety of Christmas ales from the UK. Dave opts for St Peters Christmas Ale , Kevie samples Samuel Smith's Winter Welcome Ale and Dave supports his local brewery, Purple Moose, with a mug of Merry X-Moose . Connect with the guys on Untappd: Dave Paul Kevie The intro sounds for the show are used from: https://freesound.org/people/mixtus/sounds/329806/ https://freesound.org/people/j1987/sounds/123003/ https://freesound.org/people/greatsoundstube/sounds/628437/
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2 days ago

Hacker Public Radio
HPR4540: Arthur C. Clarke: Other Novels, Part 1
This brings us to a look at some of Arthur C. Clarke's other stories, The Sands of Mars (1951), The Deep Range (1957), and The Fountains of Paradise (1979). These are just a few of his well-regarded stand-alone novels. Links: https://www.sffworld.com/forum/threads/the-clarke-asimov-treaty.46067/ https://en.wikipedia.org/wiki/The_Sands_of_Mars https://en.wikipedia.org/wiki/Islands_in_the_Sky https://en.wikipedia.org/wiki/Earthlight https://en.wikipedia.org/wiki/The_Space_Trilogy https://en.wikipedia.org/wiki/The_Deep_Range https://en.wikipedia.org/wiki/Dolphin_Island_(novel) https://en.wikipedia.org/wiki/The_Ghost_from_the_Grand_Banks https://en.wikipedia.org/wiki/The_Fountains_of_Paradise https://en.wikipedia.org/wiki/Buckminsterfullerene https://en.wikipedia.org/wiki/The_Man_Who_Sold_the_Moon https://www.palain.com/science-fiction/the-golden-age/arthur-c-clarke-other-novels-part-1/
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5 days ago

Hacker Public Radio
HPR4539: YouTube Subscriptions 2025 #11
I am subscribed to a number of YouTube channels, and I am sharing them with you. Links: https://www.youtube.com/@ProfessorofRock https://www.youtube.com/@ProgAxia https://www.youtube.com/@quill18 https://www.youtube.com/@RachelFlowersMusic https://www.youtube.com/@RadioFreeSkaro https://www.youtube.com/channel/UCvpxXoojGDRVA7zLYlY-48g https://www.youtube.com/@ralphtownermusic412 https://www.youtube.com/@RandyRainbowOfficial https://www.youtube.com/@realfastspanish https://www.youtube.com/@realtimehistory https://www.youtube.com/@RealLifeLore https://www.youtube.com/@pickupchangetoe https://www.youtube.com/@RichieCastellano https://www.youtube.com/@RickBeato https://www.youtube.com/@rickbeato2 https://www.palain.com/
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6 days ago

Hacker Public Radio
HPR4538: HPR Branding
HPR Branding This episode refers to the initial release of https://repo.anhonesthost.net/HPR/hpr_documentation/src/branch/main/branding.md The Intro Duration It will always be 30 seconds long and in some edge cases may be slightly longer. The following table will help put that into context. It gives the percentage of the show the intro takes related to the length of the shows. 1.7% of an average show (29 minutes 30 seconds) 0.1% of our longest show (7 hours 27 minutes) 187.5% of our shortest show (16 seconds) Breakdown Generation The intro is generated by the  process_episode.bash  script and uses the  say.php  file to generate the data. The text is  created  using  piper test to speech . It was previously created using  espeak , and we are open to  suggestions  on how to improve it. The text is played over the HPR Theme Music Theme Music Credits The background is an arrangement by  Maestraccio  which is released under the  Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)  license, of the HPR Theme, composed by  slick0  which has  No Copyright  applied. Message To effectively communicate an event it’s important to convey the answers to  Who? ,  What? ,  When? ,  Where? , and  Why? The Five Ws is a checklist used in journalism to ensure that the lead contains all the essential points of a story. As far back as 1913, reporters were taught that the lead should answer these questions about the situation being reported. https://en.wikipedia.org/wiki/Five_Ws What?, When?, Where? The first sentence is always  This is Hacker Public Radio episode (show id) for “(day of week)” the “(day number)” of “(month and year). Saying the name of the show at the beginning of an episode is called establishing  brand recognition . It is standard for podcasts, TV and Radio shows as well as on broadcast networks, not to mention
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1 week ago

Hacker Public Radio
HPR4537: “Elsbeth in IT: Since ’97” (Part 1)
A two-part conversation about what it’s really like being a woman in tech for almost three decades. Content Warning: The F word probably makes an appearance multiple times. In this episode, Lee sits down with Elsbeth to talk about her long, winding, sometimes ridiculous, often inspiring journey through the IT industry — starting all the way back in 1997. If you’ve ever worked helpdesk, ever had a customer say “my cup holder broke” (yes, the CD tray)… or ever felt underestimated in a room full of engineers, this one’s for you. Because we throw around some tech terms in the conversation, here are a few friendly definitions so everyone can follow along. Terms We Mentioned (in plain English) QA (Quality Assurance) Think of QA as the people who try to break things on purpose so regular users don’t break them accidentally . They test software, hardware, websites — you name it — to catch bugs before they cause chaos. If it’s glitch-free, a QA person probably saved the day behind the scenes. Content Moderation This is the work of keeping the internet from turning into the Wild West. Moderators review posts, comments, images, and videos to make sure they follow community rules and don’t harm users. It’s a mix of tech tools and human judgment — and yes, it can get intense. Building PCs Where many IT careers start! Building PCs is basically grown-up Lego: picking parts assembling them hoping you don’t zap anything with static electricity praying the cable management gods smile upon you It’s one of the most empowering skills in tech and often the first time someone realizes, “Oh hey… I can actually do this.” Gender Equality & Inequality Gender equality means giving everyone the same chance to succeed — no matter who they are. Gender inequality is what happens when that doesn’t happen. In tech, inequality often looks like: being talked over being paid less being assumed “non-technical” having to prove yourself twice as hard being the only woman in a room… again Elsbeth has seen all of this firsthand since 1997 — and she’s got stories. End-User The end-user is simply the person who actually uses the product. Not the engineer who built it. Not the manager who approved it. Not the QA who tested it. The end-user is the human at the end of the chain who clicks the button, pushes the key, taps the app… and finds entirely new ways to break things no one expected. Understanding them is the secret superpower of tech. Neurodivergence Neurodivergence means brains come in many beautiful varieties — like ADHD, autism, dyslexia, and more. Neurodivergent people often bring incredible strengths to IT, including creativity, pattern spotting, hyperfocus, and out-of-the-box problem solving. They can also face misunderstandings in workplaces that weren’t designed with different brains in mind — something Elsbeth talks about openly and honestly in this episode.
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1 week ago

Hacker Public Radio
HPR4536: Welcome to the Linux Community
Below are some links to help you find related software and resources: Beginner-Friendly Distros https://linuxmint.com https://ubuntu.com https://fedoraproject.org https://pop.system76.com Help & Community Linux Questions — https://www.linuxquestions.org Reddit r/linux4noobs — https://www.reddit.com/r/linux4noobs Stack Exchange Unix/Linux — https://unix.stackexchange.com Ask Fedora — https://ask.fedoraproject.org Ubuntu Forums — https://ubuntuforums.org Local & Live Community https://www.linux.org/forums/ https://freegeek.org/ https://mastodon.social https://fosstodon.org Software Alternatives
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1 week ago

Hacker Public Radio
HPR4535: Living the Tux Life Episode 4 - Various software I have been using
Show Notes System Monitoring & Metrics Prometheus Open-source monitoring and alerting toolkit for collecting and storing metrics. Documentation :  https://prometheus.io/docs/prometheus/latest/installation/ Prometheus Node Exporter Hardware and OS metrics exporter for Prometheus. Guide :  https://prometheus.io/docs/guides/node-exporter/ Grafana Open-source analytics and visualization platform for monitoring metrics. Docker Installation :  https://grafana.com/docs/grafana/latest/setup-grafana/installation/docker/ Featured Grafana Dashboards Power Information Dashboard :  https://grafana.com/grafana/dashboards/12542-power-information/ Node Exporter Full :  https://grafana.com/grafana/dashboards/1860-node-exporter-full/ Power Management & Battery Tools TLP Advanced power management tool for Linux that optimizes battery life. Installation Guide :  https://linrunner.de/tlp/installation/index.html Battery Uptime Timer Script Custom script for monitoring battery usage and uptime. GitHub Repository :  https://github.com/mralc/Battery-uptime-timer Setting Battery Charge Threshold Limit battery charge to extend battery lifespan: echo 90 | sudo tee /sys/class/power_supply/BAT0/charge_stop_threshold Note: Adjust the value (90%) and BAT0 according to your system. Caffeine Prevents your system from going to sleep or activating the screensaver. Project Page :  https://launchpad.net/caffeine Backup & File Sharing LocalSend Open-source cross-platform alternative to AirDrop for sharing files locally. Website :  https://localsend.org/ Déjà Dup Simple backup tool for GNOME desktop environment. GNOME Apps :  https://apps.gnome.org/en-GB/DejaDup/ FOX Clone System backup and cloning tool for Linux. SourceForge : 
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1 week ago

Hacker Public Radio
HPR4534: Reviving My Kawai K4 Synthesizer
Links Kawai K4: https://en.wikipedia.org/wiki/Kawai_K4 Kawai K4 Battery Replacement (Japanese): https://www.youtube.com/watch?v=ux3y2ClgP1I Neal Beard and his Machines - Kawai Battery Replacement: https://nealbeardahm.blogspot.com/2012/10/kawai-battery-replacement.html Kawai K4r: Rack-mount module version of the K4 Kawai Downloads Page: https://kawaius.com/downloads/ Standard MIDI Files (SMF): https://midi.org/standard-midi-files MIDI System Exclusive (SysEx) Messages Explained: https://blog.landr.com/midi-sysex/ amidi(1): https://linux.die.net/man/1/amidi Syntaur Keyboard Parts & Accessories: https://syntaur.com/
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1 week ago

Hacker Public Radio
03-Reactor-Basics 01 Introduction In this episode we will describe the basic features and characteristics of reactors together with descriptions of the most widely used commercial reactor types. 03 Fast Versus Slow Reactors 04 Slow Neutron Reactors 06 Fast Neutron Reactors 08 Reactor Moderators 10 Light Water 11 Heavy Water 13 Graphite 14 Unmoderated 15 Coolants 16 Common Coolants 17 Alternative Coolants 18 Primary and Secondary Coolant Loops 20 Steam Generation 23 Brayton Cycle Gas Turbines 24 Refuelling Method 25 Main Commercial Reactor Types 26 PWR - Pressurized Water Reactor 28 BWR - Boiling Water Reactor 29 PHWR - Pressurized Heavy Water Reactor 33 Conclusion We have covered the main reactor characteristics.  These characteristics can be mixed in various ways to give different reactor types. The characteristics also affect the types of fuel that can be used. We also covered the three main commercial power generation reactor types. In the next episode we will describe some of the less common historical reactor types.