Hacker News Board Hacker News, browsed like a classic message board
Live data from Hacker News

Akiyoshi’s Illusion Pages

ritsumei.ac.jp

Post reply on HN
Print view View original

61–65 of 65 posts

Re: Akiyoshi’s Illusion Pages

#61

Post by glenneroo »

hippari2 wrote: post #56
coda_ wrote: post #53

Earlier quoted context omitted.

If you wear glasses I suggest trying both with and without your glasses on while moving your head. For me, there is almost no effect without my glasses on. But with glasses, it is quite strong... but I'm not even sure if what I'm seeing when I have my glasses on is actually the intended effect. I've become used to that effect with blue and red light moving in opposite directions relative to each other when I move my…

-3.5 here, the illusion is both effective with or without glasses

+1 makes red pop out very strongly for me. Without glasses only very slightly.

Re: Akiyoshi’s Illusion Pages

#62

Post by albert_e »

catbird wrote: post #42
nojs wrote: post #17

Earlier quoted context omitted.

A similar one that I like, and you can easily make yourself: https://www.moillusions.com/dragon-illusion/

That was a fun little project. It looks even better in person!

is there a printable template / instructions somewhere?

EDIT: my bad -- I skkiped over to youtube video -- see the instructions in liked blog post now. Thanks

Re: Akiyoshi’s Illusion Pages

#63

Post by aimor »

GolfPopper wrote: post #50
aimor wrote: post #8

This one almost hurts, forget the approaching black hole I get dazzling speckles of white light. : http://www.psy.ritsumei.ac.jp/~akitaoka/Plaid-tunnel02-040-b...

Oof. Yes. I don't get the speckles, but the middle portions of the tunnel "shudder" like looking a something slightly out of focus at extremely high power through a telescope, and it feels like I'm about to get a migraine.

I notice it has to be large to get the speckles (can't see them on my phone), and only with both eyes open.

Re: Akiyoshi’s Illusion Pages

#65

Post by michaelcampbell »

coda_ wrote: post #53
susam wrote: post #40

One of Akiyoshi Kitaoka's recent work that I found absolutely stunning is the following illusion where a ring of one colour appears to be either in front of or behind two rings of another colour: https://twitter.com/AkiyoshiKitaoka/status/16812686184854568... https://nitter.net/AkiyoshiKitaoka/status/168126861848545689... To my perception, the blue ring appears to float above the red rings. It feels a bit like an aut…

If you wear glasses I suggest trying both with and without your glasses on while moving your head. For me, there is almost no effect without my glasses on. But with glasses, it is quite strong... but I'm not even sure if what I'm seeing when I have my glasses on is actually the intended effect. I've become used to that effect with blue and red light moving in opposite directions relative to each other when I move my…

Weirdly I'm the opposite; red looks closer to me with my glasses off, but both colors appear about the same with them on.
Post reply on HN