# Destin Sandlin on Reddit (u/MrPennywhistle)

Part of Celebrities on Reddit, researched with Autumn (https://www.autumn.ai) from public sources. Updated 2026-11-06. Interactive version: https://www.autumn.ai/resources/celebrities-on-reddit/destin-sandlin

Destin Sandlin: Engineer and YouTuber behind Smarter Every Day.

- Reddit account: [u/MrPennywhistle](https://www.reddit.com/user/MrPennywhistle/) (Personal account)
- How we know it's theirs: [His 2015 r/IAmA AMA with Derek Muller, posted from this account](https://www.reddit.com/r/IAmA/comments/38gekk/iama_guy_who_makes_science_videos_on_youtube/)
- Where they post, in the records we retrieved: r/SmarterEveryDay (14), r/videos (13), r/HuntsvilleAlabama (4), r/oddlysatisfying (4), r/Damnthatsinteresting (4), r/discgolf (3)
- Known activity in the posts we found: 2014 to 2026
- Wikipedia: https://en.wikipedia.org/wiki/Smarter_Every_Day

## Moments

### u/MrPennywhistle in r/motorcycles, Jul 1, 2021 · Normal redditor

Replying to a redditor:

> He also made a video about an engine with a see through top, quite a while back. Very cool to watch. https://youtu.be/xflY5uS-nnw

> For the record I did not make the engine. That was done by a guy name Everett in New Jersey.  He has a channel called 805 Road King. I just worked with him to visualize it.  Everett is a really nice man.

Full thread: https://www.reddit.com/r/motorcycles/comments/obi28s/this_is_fantastic_if_you_work_on_your_bikes_now/h3ofpeh/ · 185 points as of Nov 6, 2026

### u/MrPennywhistle in r/SmarterEveryDay, Jul 3, 2024 · Normal redditor

Replying to the post "Is Destin still working towards his PhD? ".

> Yes. Working under Dr. Jason Cassibry.

Full thread: https://www.reddit.com/r/SmarterEveryDay/comments/1du60ve/is_destin_still_working_towards_his_phd/lbede9l/ · 203 points as of Nov 6, 2026

### u/MrPennywhistle in r/AnalogCommunity, Dec 12, 2025 · Hobby

Replying to the post "SmarterEveryDay Eclipse camera gear setup".

> Hey that's me! Howdy. When I decided to try this shot I reached out to my buddies Juho and Nico at Kamerastore in Finland and asked them for recommendations. Nico from [Kamerastore ](https://kamerastore.com/en-us)made me a secret video.  [They flipped the secret video live](https://www.youtube.com/watch?v=7-1cJlzuyEE) after I posted the video. [It's here.](https://www.youtube.com/watch?v=7-1cJlzuyEE) I bought the gear from them and he shipped it to me. I had one day to practice with Dr. Telepun. Metering was the hard part. Dr. Telepun [wrote a book that explains how to get this shot](https://www.solareclipsetimer.com/book_screenshots.html). I shot it on Ektachrome 100 slide film. This was basically the result of me, Nico, and Dr. Telepun putting our minds together to make it happen. Fun fact that I haven't told anyone until now... there's a [metal print of this photo](https://www.youtube.com/watch?v=7gNFD6q7tbI) hanging in the Kodak factory!

(Excerpt.)
Full thread: https://www.reddit.com/r/AnalogCommunity/comments/1pkd6cn/smartereveryday_eclipse_camera_gear_setup/ntl9vcl/ · 241 points as of Nov 6, 2026