Pricefield | Lemmy
  • Communities
  • Create Post
  • Create Community
  • heart
    Support Lemmy
  • search
    Search
  • Login
  • Sign Up
The Picard Maneuver to People [email protected] • 9 months ago

It's important to have a hobby

lemmy.world

message-square
47
fedilink
535

It's important to have a hobby

lemmy.world

The Picard Maneuver to People [email protected] • 9 months ago
message-square
47
fedilink
  • @[email protected]
    link
    fedilink
    51•9 months ago

    Would the grain show up in digital pictures as well or only on film? I know why it appears on film but the gnomes that work my cell phone camera won’t give me a straight answer.

    • Stern
      link
      fedilink
      16•9 months ago

      IIRC radiation would cause grain on a cell phone camers.

      • @[email protected]
        link
        fedilink
        13•9 months ago

        https://openscience.isae-supaero.fr/digitalCollection/DigitalCollectionAttachmentDownloadHandler.ashx?parentDocumentId=6163&documentId=11848&skipWatermark=true&skipCopyright=true

        Pretty much, but highly dependent on the energy of the ionizing radiation. Lower would come out as a dull grain, higher would show up as bright spots. Neither would look like this post though lol

    • @[email protected]
      link
      fedilink
      25•9 months ago

      I don’t think it would look the same, if it was a CMOS sensor, I think you’d see lots of bright white pixels

    • @[email protected]
      link
      fedilink
      English
      6•9 months ago

      Not exactly the same, but an electron beam puts a lot of noise in the image: https://youtu.be/Uf4Ux4SlyT4

      Also I’ve heard the international space station gets a lot of dead pixels on their cameras from cosmic radiation.

    • @[email protected]
      link
      fedilink
      19•9 months ago

      I’m not even sure it would show up on film either. But for CCD cameras (aka phone cameras and basically all modern cameras), 350 americium buttons buttons from a smoke detector in a wide “stew” that far away would produce nowhere near enough ionizing radiation to do that. On top of it, americium-241 is an alpha emitter, meaning that even if alpha particles reached the lens, the lens itself would block a good amount an alpha. This video gives a demo of a CCD without protection over it with americium and other various emitters :)

      https://m.youtube.com/watch?v=jFNvYA7731o

      • @[email protected]
        link
        fedilink
        4•9 months ago

        Aren’t CCDs going the way of the dinosaur even in phones now? I thought the whole industry had more or less shifted to CMOS sensors now?

        Very cool video regardless though

      • @[email protected]
        link
        fedilink
        4•9 months ago

        Way to bust that with reality! Kept the fact checks coming!

People [email protected]

[email protected]
Create a post
You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: [email protected]

People tweeting stuff. We allow tweets from anyone.

RULES:

  1. Mark NSFW content.
  2. No doxxing people.
  3. Must be a pic of the tweet or similar. No direct links to the tweet.
  4. No bullying or international politcs
  5. Be excellent to each other.
  6. Provide an archived link to the tweet (or similar) being shown if it’s a major figure or a politician.
  • 51 users / day
  • 291 users / week
  • 1.58K users / month
  • 5.1K users / 6 months
  • 2 subscribers
  • 1.45K Posts
  • 73.9K Comments
  • Modlog
  • mods:
  • @[email protected]
  • @[email protected]
  • UI: 0.18.4
  • BE: 0.18.2
  • Modlog
  • Instances
  • Docs
  • Code
  • join-lemmy.org