The Amp Hour Electronics Podcast

Chris Gammell and Dave Jones' voices span the chasm of thousands of miles each and every week to speak to each other and industry experts about where the field of electronics is moving. Whether it be a late breaking story about a large semiconductor manufacturer, a new piece of must-have test equipment or just talking through recent issues with their circuit designs, Chris and Dave try to make electronics more accessible for the listeners. Most importantly, they try and make the field of electronics more fun. Guests range from advanced hobbyists working on exciting new projects up through C-level executives at a variety of relevant and innovative companies. Tune in to learn more about electronics and then join the conversation! Visit The Amp Hour website for our back catalog of 150+ episodes.

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#480 – An Interview with Ben Krasnow, 8 years on


Today’s episode is sponsored by Screaming Circuits. Listen to the episode to hear about the monster through-hole pick and place machine they have on premises for their legacy customers. Check out this link to get an instant quote on your next board assembly.

Welcome back, Ben Krasnow!

  • We first talked to Ben 8 years ago.
  • YouTube has changed quite a bit since then, as has Ben’s channel:
    • It’s now called “Applied Science” instead of the original bkraz333 (though that link is still the official one)
    • It now has 600k viewers and many Patreon sponsors
  • When Chris asked about replicating the paper setup (like from a research paper), Ben says it’s a recipe. It’s easier to follow and get started.
  • An artist had exclusive license to use
  • Vantablack, which made Ben wonder if he could make some. (spoiler: he can)
  • Applied Science gets lots of great feedback from technical viewers, including some who have insider knowledge.
  • Since the last episode Ben was on he worked at
    • Valve Software, with past guests
      • Jeri Ellsworth
      • Jeff Keyzer
      • Alan Yates
  • After Valve, Ben went to go work for GoogleX in 2014. They wouldn’t tell him what he was working on!
  • At 6 years, this is his longest running gig.
  • Joined science team with 20 people, which has grown into Verily Life Sciences. He’s able to talk about (some) things now.
  • Ben has been on Embedded.fm twice in the meantime:
    • 119
    • 184
  • Verily announced an accommodating contact lens, which helps with presbyopia
  • Though Ben didn’t work on that project, he had previously made am LED contact lens
  • Verily have a micro-fab on site for making and prototyping such small devices.
  • Ben’s lab is a bit more simple, he says it almost looks like his home lab.
  • Chris compared the research portions to Bell Labs
  • When the team hits a wall, they focus on finding and integrating new tech.
  • Chris asks if the development is a push or a pull. As in, does the customer request certain technology or do they “deliver” it to the market and test whether it will work?
  • Verily is working with a US centric view, especially given the high costs of the US medical system.
  • Being an inventor type person in healthcare includes figuring out what the market looks like
  • How much iteration?
  • Verily have made hundreds of certain devices to test whether they can be manufactured “at scale” and that they will work in large numbers.
  • Primarily they partner with other (medical) hardware makers and Verily licenses the tech to the OEM.
  • A common demo in the Verily lab is a little motor that uses combustion because battery technology isn’t power dense enough for what they need
  • Ben often gets comments about safety on the YouTube channel
  • He likes to be application driven
  • Wikipedia op amps
  • Ben is a KiCad user, he likes the push and shove feature.
  • One of his most popular video shows vinyl and LP under a SEM. The tough part is pulling out the bitstream, which he currently does with a Teensy.
  • Rubber band fridge
  • Drill through EDM
  • Ben tried over 80 different methods to get PCB traces on a piece of plastic. This is a good example of the importance of starting from a paper or a patent.
  • Chris thinks that Ben is a great example of the behavior defined in Grit
  • Tim Ferriss talking about fame/money
  • Cookies DOE
  • Exceptionally hard and soft
  • Ben kept blowing up the controllers for the Apollo Electroluminescent display. Ben later gave a great talk about the experience at Supercon
  • Needed a source of radioactive material, which are apparently easily acquired in static brushes for LPs.
  • Want to hang out with Ben in person? He’s usually at the Hackaday Supercon
  • Follow Ben on Twitter and be sure to subscribe to the Applied Science YouTube channel
  • Books mentioned in this episode:
    • Elon Musk Biography
    • Skunkworks


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 February 17, 2020  1h14m