Crash Course - The SMIDSY

Why HN readers recommended it

HN considers it an outstanding explanation of why drivers miss motorcycles and cyclists, linked in threads on visibility and junction crashes.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

lbtv

Topic

motorcycle safety

Format

tutorial

Level

general

HN recommenders in dataset

3

HN mentions in dataset

5

Recommendation years in dataset

2018–2023

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• This is also of high interest to motorcyclists who even have a name for the phenomena: SMIDSY (Sorry, Mate I Didn't See You). OP was focused on the A pillar and some other effects, while this excellent video goes a little further into some perception …

• There's a second factor at work beyond memory - it's the human visual perceptive system. Bikes are not always moving across the visual field, and they aren't fitting the pattern of a bigger single-color smooth object so it's effectively camouflage. This is an outstanding vid …

• >it's always "Sorry mate I didn't see you". Ah, the SMIDSY: [VIDEO] That video covers the optical illusion that leads to it and what motorcycles can do.