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The Marginal Gains Podcast, presented by Silca is the show that makes a big deal about the little things, and how those little things...can be a big deal. Josh Poertner of Silca, along with Hottie and Fatty, talks about all aspects of cycling — design, manufacturing, marketing, riding, racing, management and most likely every from a thoughtful perspective. It's a podcast for the thinking cyclist.
 
DevNews is the news show for developers by developers, hosted by Saron Yitbarek, founder of CodeNewbie, and DEV senior engineers Josh Puetz and Vaidehi Joshi. Each season these experienced devs cover the latest in the world of tech, and speak with diverse guests from a variety of backgrounds to dig deep into meaty topics such as security, the pros and cons of outsourcing your authentication, and the latest bugs and hacks.
 
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Before Open Cycles and the now-famous U.P., Gerard and Josh collaborated in Europe with Test Team Cervelo. Like a lot of guests on this show, Gerard Vroomen is an engineer first. He and Phil White took a school project they started in a basement in Montreal and turned into Cervelo Bikes. Against much bigger companies, their bikes not only revolutio…
 
Nobody enjoyed seeing (or hearing about) Chloé Dygert's recent crash, but it was an extraordinary illustration of one of the effects discussed in our most recent episode on Bifurcation. Josh breaks it down (and we all wish her a fast recovery and speedy return to racing). We also discuss UCI frame rules modifications, and how those open the door fo…
 
In this episode, we cover some updates about Ruby 3, OpenAI, and React 17's JSX Transform, and then a disconcerting data-sharing aspect from the exercise app, Strava. Then we chat with Alex Hanna, sociologist and research scientist working on machine learning fairness and ethical AI at Google, about Twitter’s algorithmic bias toward certain photos …
 
What do aircraft wings, the Tacoma Narrows bridge and Coronavirus modeling all have in common? As you may have guessed from the title, it's bifurcation — just about the least intuitive (or predictable) behavior known to humankind. In this episode, we talk about bifurcation and its relation to all of these — as well as how understanding bifurcation …
 
This is an Engineer's episode if there ever was one. Josh talks to James Woolcock of Bastion cycles, a maker of custom frames, or as the site puts it, "Bespoke Luxury Performance Bicycles." As you would expect, these bikes come with a significant price tag, but there's a lot of custom engineering based on a customer’s wants and needs going into eac…
 
In this episode, we talk about a huge update to C++, TikTok’s algorithm and Oracle partnership, and NVIDIA’s Arm acquisition. We then chat with senior engineer at Forem and rotating co-host of DevNews, Vaidehi Joshi, about Google’s carbon footprint, and the environmental impact of our data. Show Notes Heroku (sponsor) DevDiscuss (sponsor) Vonage (s…
 
The Tour de France is underway, and we've got questions (and answers) about it. For example, do racers REALLY still ride with tires at 120psi as Phil Liggett suggested? (Hint: no.) Why are riders turning their hoods inward? Is tubeless on the verge of replacing tubular as the wheel setup of choice? We've also got a great crop of questions from our …
 
In this episode, we talk about Microsoft’s new tech to combat deepfakes and Google’s Business Application Platform. We then chat with Fen Slattery, accessibility lead at Clique Studios, about Chrome 86, which has two new features that Chromium says will improve both the user and developer experience with the focus selector, and could be a big win f…
 
In this episode, we talk about Nvidia new graphics cards, Samsung’s mobile memory breakthrough, and a terrible TikTok trend. And then we speak with AJ Keller, co-founder of Neurosity, about Elon Musk's Neuralink pig demo. Show Notes Heroku (sponsor) DevDiscuss (sponsor) Vonage (sponsor) CodeNewbie (sponsor) Neuralink Neuralink Pig Demo Nvidia Photo…
 
Factor is a relatively new name in the industry. But after just a few years in the marketplace, a leading publication put Factor alongside Giant, Specialized and Cannondale as the next bike to own. And Factor has been brought to prominence by Rob Gitelis. In addition to applying his experience as an engineer to build a really terrific bicycle, Rob …
 
In this episode, we talk more about Apple’s ongoing App Store drama, a proposal to let Chromium talk to your local network, and Gitee, the GitHub of China. We also speak with Nathan Shively-Sanders and Orta Therox, engineers on the TypeScript team, about the newest version of TypeScript, version 4.0. Show Notes Heroku (sponsor) DevDiscuss (sponsor)…
 
Nick Legan is a name anyone with more than a casual interest in cycling has probably come across. Nick was the tech editor at Velo Magazine and Adventure Cyclist Magazine. He is also the author of the book “Gravel Cycling.” Josh and Nick talk about Gravel riding, bikepacking (not exactly the aero discussion we normally have around these parts but w…
 
In this episode, we talk about Atlassian’s remote work policy, Fortnite’s battle with Google and Apple, and Twitter’s new API. We then speak with Ashley Williams and Steve Klabnik, engineers on the Rust core team, about how recent restructuring and layoffs at Mozilla impact the future of the Rust programming language. Show Notes Heroku (sponsor) De…
 
In this episode, we cover Ruby 3 typing, GitHub running Ruby 2.7 in production, and Chrome DevTools CSS overview. We also speak with Jonas Downey, design lead at Basecamp, and co-creator of the Hello Weather app, about a Twitter thread he wrote titled, “Here’s a little tale about what it’s like to be an indie iOS developer working under Apple's 800…
 
Shortly after setting a new Everesting record — obliterating Alberto Contador's time by 20 minutes — Ronan McLaughlin reached out to Josh with some remarkable news: Silca Products and the Marginal Gains podcast had been an important piece of his extraordinary accomplishment. Needless to say, Josh immediately set up this interview to talk about Rona…
 
We've asked you to ask Josh anything (kind of meta, we know), and you do not disappoint. In this episode, however, we completely lose track of the "ask" thing because we are SO GEEKED OUT on Ronan McLaughlin's new Everesting record. If ever there's been a full-circle Marginal Gain moment, this is it. Listen and you'll understand. Eventually, howeve…
 
In this episode, we cover GitHub's new public roadmap, the hacker behind the recent Twitter hack that took control of a bunch of high profile accounts, and TikTok's plans to disclose their algorithm. We also speak with Pedro Cruz, developer advocate at IBM teaching, who is teaching developers how to use artificial intelligence and extended reality.…
 
Sean Small of Ruckus Composites is our guest for this episode. This is going to be a great interview for any listener who has spent any amount of time on a carbon bike. Sean is going to reveal a frame’s strong spots and the areas where it is most vulnerable. We also talk about the importance of torque, which company is making the best product and a…
 
Tom Anhalt was one of the first to turn conventional wisdom regarding inflation on its head. He is a smart guy. No doubt. But his true talent is curiosity. In this episode we learn that questioning the norm and having an open mind can lead to more than just marginal gains but to revelations. Tom Anhalt runs the blog site, blather ‘bout bikes where …
 
Andreas Klier has been focused on competitive cycling since his early teen years. He became a pro in his first year as an adult and went on to become a spring classics specialist. He’s only win in those early season races was the 2003 Gent Wevelgem but he did come close at Flanders on a couple of occasions. Some believe he has a better understandin…
 
Everesting — riding up a single pitch enough times to match the altitude of the summit of Mt. Everest — is a massive challenge with an elegantly simple set of rules. Which makes it a perfect candidate for a Marginal Gains conversation. Josh, Hottie, and Fatty talk about how the obvious, not-so-obvious, and downright bizarre strategies racers could …
 
We are happy to report that we continue to seek questions Josh is unable to answer, or at least unwilling to try. We regret to announce that we have so far failed, in spite of the fact that in this episode we expanded our universe of acceptable questions to include how to make electric scooters more aero. Josh was, in fact, distressingly excited by…
 
Jordan Rapp is one of the true greats in triathlon. You may know Jordan as a 5 time Ironman Winner, or maybe as and ITU World Champion.. Or maybe as a US pursuit champion on the track. Nowadays, his claim to fame includes the fact that he designed the Alpe du Zwift (and much more of the gameplay on Zwift, for that matter). Enjoy this episode as Jos…
 
This was not the episode we intended to create. Josh, Hottie, and Fatty sat down to record an episode on confirmation bias and how it can undercut marginal gains, and instead found that what we want to talk about — and think you might enjoy hearing — is the good things Josh is seeing during a very difficult time. So this is a "stories" episode: sto…
 
Josh, Hottie, and Fatty are back with all the bike-related questions too nerdy to be asked (or answered) anywhere else. In this episode, we tackle: What lessons from track racing can be applied to singlespeed mountain bike racing? All else being equal, are fewer spokes more aero? Is a matte finish on helmets faster than a gloss finish? What are the…
 
Cyclists are always on the prowl for marginal gains. We slam our stems, because we've seen pros do it, and they're fast. We eat mounds of spaghetti before races, because we've heard that fast cyclists carbo-load. In many ways, cyclists and cargo cults are remarkably similar. What's a cargo cult, though, and what does it have to do with granola? We'…
 
James Huang, Global Technical Editor of CyclingTips, is one of the most-trusted cycling journalists in the industry today — and for good reason. He brings a knowledge, experience, humor, and integrity to everything he covers. In this episode, Josh and James have a great, wide-ranging conversation — from their similar histories in getting into the c…
 
We've got a great batch of questions from you for Josh to contemplate this episode: Does the placebo effect apply to cycling clothes and shoes as well as to equipment? Since many rims are different widths in different places, where should we measure when applying the rule of 105? How much — if any — does a patched tube affect a bike's CRR? Are thir…
 
You know you've had this suspicion: the core of the cycling industry—much of what it's really selling you—is not tech, speed, or fitness. Nope, the truth is that one of the most powerful marginal gains you'll ever get is thanks to the placebo effect. Josh, Fatty, and Hottie talk about what it is and how potent a force it is in cycling.…
 
In this Ask-Josh-Anything episode of Marginal Gains, we ask you to imagine Josh as your boy scout leader, and whether that would be the most awesome — or terrifying — thing in the world. (The jury's out on that question by the way). Then we settle in and talk about how Silca's new online Pressure Calculator works, why aero tires are no longer a thi…
 
We always planned on our Hour Record trilogy being three episodes long. But then Josh got to talking with Robert Chung — one of Josh's intellectual heroes — and we just had to share it. If you think most episodes of the Marginal Gains Podcast are too lightweight and you've been jonesing for a show where Josh has an intellectual equal to talk with (…
 
We're back with more proof that we're willing to ask Josh practically anything bike-related...and that he's willing to take practically any question seriously. In Ask Josh Anything #008, we talk about what gas you should fill your tires with, the challenge of planning for endurance ride air pressure loss, marginal gains and Kipchoge's sub-2-hr mara…
 
In this final (?) part of our Hour Record trilogy, we talk about the rules of the modern Hour Record, how marginal gains start really coming into play, the theoretical upper limit for the hour record and how close we are to it, and the future for the hour record. We give extra focus to Bradley Wiggins' hour record, in part because it comes as close…
 
We're back with a new set of questions for Josh, digging deep into the topics supernerd cyclists care deeply about. We talk about the products that intrigued Josh most at Eurobike, find out what size (diameter and width) he'd make road wheels be if he could start from scratch, speculate on whether the very aero-looking Ceepo Shadow-R is actually ae…
 
In part 2 of our Hour Record series, Josh, Hottie and Fatty talk about why you can go faster at altitude, even with less oxygen in your lungs...up to a point. We chat about the magnificently weird (but mostly magnificent) Merckx hour record, and how much further he might have gone if he knew then what we know now. Finally, we discuss the cyclists (…
 
The ongoing "Ask Josh Anything" series is back from Summer vacation and we've got a fun — and surprisingly informative — set of questions for Josh, including: What marginal gains are made by following the TTT instructions in a pre-TdF video by Team EF? When you've got a tailwind, is it better to still make yourself as small as possible, or should y…
 
The Hour Record is unlike any other race in cycling. Almost unimaginably difficult to do, but elegantly simple in concept: Ride your bike, as hard as you can, for an hour. When you look underneath this simplicity, however, the subtlety, beauty, cruelty, and sophistication of this race become totally gripping. And then you find out there's way, WAY …
 
With two of the three of the Marginal Gains hosts also doing a weekly podcast on the Leadville 100 MTB race, you knew it was just a matter of time 'til we dragged the topic of Leadville into this show. And that time...is now. The fact is, the idea of marginal gains goes hand in hand with endurance races like the Leadville 100. It’s over long days i…
 
Josh is in Europe, involved with some race or something. Whatever. Which means that Hottie andFat Fatty get to pick the topic for the episode. And that means fewer big words and more talk about a topic Hottie and Fatty have wanted to dig into since episode 1 of Marginal Gains: the process of creating and refining products at Silca. Joining them is …
 
In this Q&A episode of the show that makes a big deal about the little things (and how those little things can be a big deal), we try to stump Josh with questions like: Do stiff shoes matter? What's the point of hookless rims? What benefits does steel have over carbon? What's the weight vs aero tipping point? Are 23mm tires dead? Is graphene tire c…
 
"Materials and Marginal Gains" is a big topic — too big for a single episode of this show. So if it's OK with you (and we think it will be), we'd like you to think of this as the first of many episodes about Materials. And we're going to kick this introduction off with a few stories, and look forward to hearing your thoughts and feedback...which we…
 
We didn't set out to turn every other episode of the Marginal Gains Podcast into the "Try to Stump Josh" game show, but at least 2/3 of the hosts of the show are glad it worked out this way. In this episode, we ask Josh what he thinks of Zipp's new MTB rims, puzzle over why the GoPro is so non-aero (and how to mitigate that non-aero-ness), discuss …
 
While we have just 5 contact points with the bike, each of those contact points are made of whole systems of contact points. And your tires are the ONLY contact points between the bicycle and the earth. Think about it: all the forces, traction, braking, cornering, all have to be transferred through tiny patches of rubber, dynamically moving on the …
 
We didn't necessarily intend for it to turn out this way, but this episode of Marginal Gains' "Ask Josh Anything" is a wheels, rims, tubes, and tires question extravaganza. We also find time to discuss the Silca Hiro chuck's origin story, whether testing how aero helmets are in a lab setting has real value, and exactly how much impact on your ride …
 
Hysteresis is the term for processes that behave differently in one direction than in another. Understanding it is critical for flying, for dampened suspension systems, and for being aero on your bike. Yep, in this episode we'll be making liberal use of analogies that include a Tempurpedic mattress, a rolling tire, mountain bike suspension and a fa…
 
In this Q&A episode of Marginal Gains, Josh answers questions about whether front and rear tires should have symmetric or asymmetric air pressure (and why). We dig into whether no-name Chinese handlebars and wheels are a good deal, or just cheap (and why). Josh analyzes the ongoing thread at Slowtwitch that shows little Crr difference between 23, 2…
 
Non-linearity has literally has won and lost the Tour de France. Josh breaks down this important concept -- one he admits to sometimes having a tough time wrapping his brain around. The metaphor? Extreme betting during what would turn out to be a very expensive round of golf. From there we apply non-linearity to cycling and aerodynamics. Let's just…
 
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