<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" encoding="UTF-8" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" xmlns:admin="http://webns.net/mvcb/" xmlns:atom="http://www.w3.org/2005/Atom/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:googleplay="http://www.google.com/schemas/play-podcasts/1.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:fireside="http://fireside.fm/modules/rss/fireside">
  <channel>
    <fireside:hostname>web01.fireside.fm</fireside:hostname>
    <fireside:genDate>Sat, 11 Apr 2026 08:02:35 -0500</fireside:genDate>
    <generator>Fireside (https://fireside.fm)</generator>
    <title>PhotoActive - Episodes Tagged with “Retinal Neuroscience”</title>
    <link>https://photoactive.fireside.fm/tags/retinal%20neuroscience</link>
    <pubDate>Fri, 01 Apr 2022 00:00:00 -0700</pubDate>
    <description>Jeff Carlson and Kirk McElhearn discuss photography and the Apple ecosystem. We cover using an iPhone or any other camera with Apple hardware and software, and we welcome photographers to discuss their work.
</description>
    <language>en-us</language>
    <itunes:type>episodic</itunes:type>
    <itunes:subtitle>A podcast about photography and the Apple ecosystem. </itunes:subtitle>
    <itunes:author>Jeff Carlson &amp; Kirk McElhearn</itunes:author>
    <itunes:summary>Jeff Carlson and Kirk McElhearn discuss photography and the Apple ecosystem. We cover using an iPhone or any other camera with Apple hardware and software, and we welcome photographers to discuss their work.
</itunes:summary>
    <itunes:image href="https://media24.fireside.fm/file/fireside-images-2024/podcasts/images/d/d76bf7dc-58d3-4746-b5c1-17ac3c2b6d29/cover.jpg?v=6"/>
    <itunes:explicit>no</itunes:explicit>
    <itunes:keywords>photography, podcast, kirk mcelhearn, jeff carlson, cameras, lenses, apple, iPhone, photo editing, photo organization</itunes:keywords>
    <itunes:owner>
      <itunes:name>Jeff Carlson &amp; Kirk McElhearn</itunes:name>
      <itunes:email>kirk@mcelhearn.com</itunes:email>
    </itunes:owner>
<itunes:category text="Arts">
  <itunes:category text="Visual Arts"/>
</itunes:category>
<itunes:category text="Technology"/>
<item>
  <title>Episode 114: Bryan Jones on Why Color Doesn't Exist</title>
  <link>https://photoactive.fireside.fm/114</link>
  <guid isPermaLink="false">e0b332d0-61fb-455f-8f6c-759a29f495b9</guid>
  <pubDate>Fri, 01 Apr 2022 00:00:00 -0700</pubDate>
  <author>Jeff Carlson &amp; Kirk McElhearn</author>
  <enclosure url="https://aphid.fireside.fm/d/1437767933/d76bf7dc-58d3-4746-b5c1-17ac3c2b6d29/e0b332d0-61fb-455f-8f6c-759a29f495b9.mp3" length="19803804" type="audio/mpeg"/>
  <itunes:episode>114</itunes:episode>
  <itunes:title>Bryan Jones on Why Color Doesn't Exist</itunes:title>
  <itunes:episodeType>full</itunes:episodeType>
  <itunes:author>Jeff Carlson &amp; Kirk McElhearn</itunes:author>
  <itunes:subtitle>An offhand remark from our guest Bryan Jones when he was a guest on a previous episode stuck with us: “You know color doesn’t actually exist, right?” We had to invite him back to explain! Jones, a retinal neuroscientist, explains that color is really a shared hallucination and talks about how photographers can take advantage of this knowledge.</itunes:subtitle>
  <itunes:duration>40:13</itunes:duration>
  <itunes:explicit>no</itunes:explicit>
  <itunes:image href="https://media24.fireside.fm/file/fireside-images-2024/podcasts/images/d/d76bf7dc-58d3-4746-b5c1-17ac3c2b6d29/cover.jpg?v=6"/>
  <description>An offhand remark from our guest Bryan Jones when he was a guest on a previous episode stuck with us: “You know color doesn’t actually exist, right?” We had to invite him back to explain! Jones, a retinal neuroscientist, explains that color is really a shared hallucination and talks about how photographers can take advantage of this knowledge.
Guest:
Bryan William Jones: Instagram (https://www.instagram.com/bw_jones/), website (https://prometheus.med.utah.edu/~bwjones/), Flickr (https://www.flickr.com/photos/bwjones/with/50832021871/)
Hosts:
Jeff Carlson: website (https://jeffcarlson.com), Jeff's photos (https://jeffcarlson.com/portfolio/), Jeff on Instagram (http://instagram.com/jeffcarlson), Jeff on Glass (https://glass.photo/jeff-carlson)
Kirk McElhearn: website (https://www.kirkville.com), Kirk's photos (https://photos.kirkville.com), Kirk on Instagram (https://instagram.com/mcelhearn), Kirk on Glass (https://glass.photo/mcelhearn)
Show Notes:
(View show notes with images at PhotoActive.co (https://www.photoactive.co/home/episode-114-jones-color))
Rate and Review the PhotoActive Podcast! (https://itunes.apple.com/us/podcast/photoactive/id1391697658?mt=2)
Episode 90: Bryan William Jones on How We See (https://www.photoactive.co/home/episode-90-jones)
MacVoices #22054: Kirk McElhearn on Appreciating Black and White Photography (1) (http://www.macvoices.com/macvoices-22054-kirk-mcelhearn-on-appreciating-black-and-white-photography-1/)
The Camera, Ansel Adams (https://amzn.to/3LvptfN)
The Negative, Ansel Adams (https://amzn.to/38iJeck)
The Print, Ansel Adams (https://amzn.to/3DsQE8k)
CORONA satellite (https://en.wikipedia.org/wiki/CORONA_(satellite))
Leica M8 Review (https://www.dpreview.com/reviews/leicam8), DPReview
Arts and Ideas podcast episode on color (https://www.bbc.co.uk/programmes/p09yjmsw)
Sanna Dullaway, artist who colorizes black and white photos (https://www.redbubble.com/people/SannaDullaway/)
INCREDIBLE IMAGES: Artist adds color to famous black and white photos (https://abc7.com/art-photography-black-and-white-photos-colorized-images/312519/)
Apple QuickTake Camera (https://en.wikipedia.org/wiki/Apple_QuickTake), Wikipedia
Wings of Desire, Wim Wenders (https://www.imdb.com/title/tt0093191/)
Our Snapshots:
Jeff: UCOMX Nano 3 in 1 Wireless Charger, Magnetic Foldable Charging Station (https://amzn.to/3Db2kws)
Kirk: Loupedeck Live (https://amzn.to/3IUhKGv)
Subscribe to the PhotoActive podcast newsletter at the bottom of any page at the PhotoActive web site (https://photoactive.co) to be notified of new episodes and be eligible for occasional giveaways. If you’ve already subscribed, you’re automatically entered.
If you like the show, please subscribe in iTunes/Apple Podcasts (https://itunes.apple.com/us/podcast/photoactive/id1391697658?mt=2) or your favorite podcast app, and please rate the podcast. And don't forget to join the PhotoActive Facebook group (https://www.facebook.com/groups/photoactivecast/) to discuss the podcast, share your photos, and more.
Disclosure: Sometimes we use affiliate links for products, in which we receive small commissions to help support PhotoActive.
</description>
  <itunes:keywords>photography, podcast, kirk mcelhearn, jeff carlson, cameras, lenses, apple, iPhone, photo editing, photo organization, color theory, black and white, leica, bryan jones, retinal neuroscience</itunes:keywords>
  <content:encoded>
    <![CDATA[<p>An offhand remark from our guest Bryan Jones when he was a guest on a previous episode stuck with us: “You know color doesn’t actually exist, right?” We had to invite him back to explain! Jones, a retinal neuroscientist, explains that color is really a shared hallucination and talks about how photographers can take advantage of this knowledge.</p>

<p><strong>Guest:</strong></p>

<ul>
<li>Bryan William Jones: <a href="https://www.instagram.com/bw_jones/" rel="nofollow">Instagram</a>, <a href="https://prometheus.med.utah.edu/%7Ebwjones/" rel="nofollow">website</a>, <a href="https://www.flickr.com/photos/bwjones/with/50832021871/" rel="nofollow">Flickr</a></li>
</ul>

<p><strong>Hosts:</strong></p>

<ul>
<li><strong>Jeff Carlson:</strong> <a href="https://jeffcarlson.com" rel="nofollow">website</a>, <a href="https://jeffcarlson.com/portfolio/" rel="nofollow">Jeff&#39;s photos</a>, <a href="http://instagram.com/jeffcarlson" rel="nofollow">Jeff on Instagram</a>, <a href="https://glass.photo/jeff-carlson" rel="nofollow">Jeff on Glass</a></li>
<li><strong>Kirk McElhearn:</strong> <a href="https://www.kirkville.com" rel="nofollow">website</a>, <a href="https://photos.kirkville.com" rel="nofollow">Kirk&#39;s photos</a>, <a href="https://instagram.com/mcelhearn" rel="nofollow">Kirk on Instagram</a>, <a href="https://glass.photo/mcelhearn" rel="nofollow">Kirk on Glass</a></li>
</ul>

<p><strong>Show Notes:</strong></p>

<p>(<a href="https://www.photoactive.co/home/episode-114-jones-color" rel="nofollow">View show notes with images at PhotoActive.co</a>)</p>

<ul>
<li><p><strong><a href="https://itunes.apple.com/us/podcast/photoactive/id1391697658?mt=2" rel="nofollow">Rate and Review the PhotoActive Podcast!</a></strong></p></li>
<li><p><a href="https://www.photoactive.co/home/episode-90-jones" rel="nofollow">Episode 90: Bryan William Jones on How We See</a></p></li>
<li><p><a href="http://www.macvoices.com/macvoices-22054-kirk-mcelhearn-on-appreciating-black-and-white-photography-1/" rel="nofollow">MacVoices #22054: Kirk McElhearn on Appreciating Black and White Photography (1)</a></p></li>
<li><p><a href="https://amzn.to/3LvptfN" rel="nofollow">The Camera, Ansel Adams</a></p></li>
<li><p><a href="https://amzn.to/38iJeck" rel="nofollow">The Negative, Ansel Adams</a></p></li>
<li><p><a href="https://amzn.to/3DsQE8k" rel="nofollow">The Print, Ansel Adams</a></p></li>
<li><p><a href="https://en.wikipedia.org/wiki/CORONA_(satellite)" rel="nofollow">CORONA satellite</a></p></li>
<li><p><a href="https://www.dpreview.com/reviews/leicam8" rel="nofollow">Leica M8 Review</a>, DPReview</p></li>
<li><p><a href="https://www.bbc.co.uk/programmes/p09yjmsw" rel="nofollow">Arts and Ideas podcast episode on color</a></p></li>
<li><p><a href="https://www.redbubble.com/people/SannaDullaway/" rel="nofollow">Sanna Dullaway, artist who colorizes black and white photos</a></p></li>
<li><p><a href="https://abc7.com/art-photography-black-and-white-photos-colorized-images/312519/" rel="nofollow">INCREDIBLE IMAGES: Artist adds color to famous black and white photos</a></p></li>
<li><p><a href="https://en.wikipedia.org/wiki/Apple_QuickTake" rel="nofollow">Apple QuickTake Camera</a>, Wikipedia</p></li>
<li><p><a href="https://www.imdb.com/title/tt0093191/" rel="nofollow">Wings of Desire, Wim Wenders</a></p></li>
</ul>

<p><strong>Our Snapshots:</strong></p>

<ul>
<li>Jeff: <a href="https://amzn.to/3Db2kws" rel="nofollow">UCOMX Nano 3 in 1 Wireless Charger, Magnetic Foldable Charging Station</a></li>
<li>Kirk: <a href="https://amzn.to/3IUhKGv" rel="nofollow">Loupedeck Live</a></li>
</ul>

<p><strong>Subscribe to the PhotoActive podcast newsletter</strong> at <a href="https://photoactive.co" rel="nofollow">the bottom of any page at the PhotoActive web site</a> to be notified of new episodes and be eligible for occasional giveaways. If you’ve already subscribed, you’re automatically entered.</p>

<p>If you like the show, please <a href="https://itunes.apple.com/us/podcast/photoactive/id1391697658?mt=2" rel="nofollow">subscribe in iTunes/Apple Podcasts</a> or your favorite podcast app, and please rate the podcast. And don&#39;t forget to join the <a href="https://www.facebook.com/groups/photoactivecast/" rel="nofollow">PhotoActive Facebook group</a> to discuss the podcast, share your photos, and more.</p>

<p><em>Disclosure: Sometimes we use affiliate links for products, in which we receive small commissions to help support PhotoActive.</em></p>]]>
  </content:encoded>
  <itunes:summary>
    <![CDATA[<p>An offhand remark from our guest Bryan Jones when he was a guest on a previous episode stuck with us: “You know color doesn’t actually exist, right?” We had to invite him back to explain! Jones, a retinal neuroscientist, explains that color is really a shared hallucination and talks about how photographers can take advantage of this knowledge.</p>

<p><strong>Guest:</strong></p>

<ul>
<li>Bryan William Jones: <a href="https://www.instagram.com/bw_jones/" rel="nofollow">Instagram</a>, <a href="https://prometheus.med.utah.edu/%7Ebwjones/" rel="nofollow">website</a>, <a href="https://www.flickr.com/photos/bwjones/with/50832021871/" rel="nofollow">Flickr</a></li>
</ul>

<p><strong>Hosts:</strong></p>

<ul>
<li><strong>Jeff Carlson:</strong> <a href="https://jeffcarlson.com" rel="nofollow">website</a>, <a href="https://jeffcarlson.com/portfolio/" rel="nofollow">Jeff&#39;s photos</a>, <a href="http://instagram.com/jeffcarlson" rel="nofollow">Jeff on Instagram</a>, <a href="https://glass.photo/jeff-carlson" rel="nofollow">Jeff on Glass</a></li>
<li><strong>Kirk McElhearn:</strong> <a href="https://www.kirkville.com" rel="nofollow">website</a>, <a href="https://photos.kirkville.com" rel="nofollow">Kirk&#39;s photos</a>, <a href="https://instagram.com/mcelhearn" rel="nofollow">Kirk on Instagram</a>, <a href="https://glass.photo/mcelhearn" rel="nofollow">Kirk on Glass</a></li>
</ul>

<p><strong>Show Notes:</strong></p>

<p>(<a href="https://www.photoactive.co/home/episode-114-jones-color" rel="nofollow">View show notes with images at PhotoActive.co</a>)</p>

<ul>
<li><p><strong><a href="https://itunes.apple.com/us/podcast/photoactive/id1391697658?mt=2" rel="nofollow">Rate and Review the PhotoActive Podcast!</a></strong></p></li>
<li><p><a href="https://www.photoactive.co/home/episode-90-jones" rel="nofollow">Episode 90: Bryan William Jones on How We See</a></p></li>
<li><p><a href="http://www.macvoices.com/macvoices-22054-kirk-mcelhearn-on-appreciating-black-and-white-photography-1/" rel="nofollow">MacVoices #22054: Kirk McElhearn on Appreciating Black and White Photography (1)</a></p></li>
<li><p><a href="https://amzn.to/3LvptfN" rel="nofollow">The Camera, Ansel Adams</a></p></li>
<li><p><a href="https://amzn.to/38iJeck" rel="nofollow">The Negative, Ansel Adams</a></p></li>
<li><p><a href="https://amzn.to/3DsQE8k" rel="nofollow">The Print, Ansel Adams</a></p></li>
<li><p><a href="https://en.wikipedia.org/wiki/CORONA_(satellite)" rel="nofollow">CORONA satellite</a></p></li>
<li><p><a href="https://www.dpreview.com/reviews/leicam8" rel="nofollow">Leica M8 Review</a>, DPReview</p></li>
<li><p><a href="https://www.bbc.co.uk/programmes/p09yjmsw" rel="nofollow">Arts and Ideas podcast episode on color</a></p></li>
<li><p><a href="https://www.redbubble.com/people/SannaDullaway/" rel="nofollow">Sanna Dullaway, artist who colorizes black and white photos</a></p></li>
<li><p><a href="https://abc7.com/art-photography-black-and-white-photos-colorized-images/312519/" rel="nofollow">INCREDIBLE IMAGES: Artist adds color to famous black and white photos</a></p></li>
<li><p><a href="https://en.wikipedia.org/wiki/Apple_QuickTake" rel="nofollow">Apple QuickTake Camera</a>, Wikipedia</p></li>
<li><p><a href="https://www.imdb.com/title/tt0093191/" rel="nofollow">Wings of Desire, Wim Wenders</a></p></li>
</ul>

<p><strong>Our Snapshots:</strong></p>

<ul>
<li>Jeff: <a href="https://amzn.to/3Db2kws" rel="nofollow">UCOMX Nano 3 in 1 Wireless Charger, Magnetic Foldable Charging Station</a></li>
<li>Kirk: <a href="https://amzn.to/3IUhKGv" rel="nofollow">Loupedeck Live</a></li>
</ul>

<p><strong>Subscribe to the PhotoActive podcast newsletter</strong> at <a href="https://photoactive.co" rel="nofollow">the bottom of any page at the PhotoActive web site</a> to be notified of new episodes and be eligible for occasional giveaways. If you’ve already subscribed, you’re automatically entered.</p>

<p>If you like the show, please <a href="https://itunes.apple.com/us/podcast/photoactive/id1391697658?mt=2" rel="nofollow">subscribe in iTunes/Apple Podcasts</a> or your favorite podcast app, and please rate the podcast. And don&#39;t forget to join the <a href="https://www.facebook.com/groups/photoactivecast/" rel="nofollow">PhotoActive Facebook group</a> to discuss the podcast, share your photos, and more.</p>

<p><em>Disclosure: Sometimes we use affiliate links for products, in which we receive small commissions to help support PhotoActive.</em></p>]]>
  </itunes:summary>
</item>
  </channel>
</rss>
