Article and discussion:
Simple test reveals if your mental images are more vivid than other people's (sciencealert.com) 177 points by smusamashah on June 28, 2021 | 146 comments
https://news.ycombinator.com/item?id=27669211
Link to online tool (warning: it starts flickering as soon as the page loads):
https://kerblooee.github.io/ganzflicker/
Article and discussion:
Simple test reveals if your mental images are more vivid than other people's (sciencealert.com) 177 points by smusamashah on June 28, 2021 | 146 comments
https://news.ycombinator.com/item?id=27669211
Link to online tool (warning: it starts flickering as soon as the page loads):
https://kerblooee.github.io/ganzflicker/