Thumper Club Forum

Club House => Chatter => Topic started by: Propellor on January 06, 2016, 06:59:23 AM

Title: Amazing illusion
Post by: Propellor on January 06, 2016, 06:59:23 AM

http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html

Title: Re: Amazing illusion
Post by: manxie on January 06, 2016, 07:45:43 AM

It`s 07.45 and my head it battered already!  :o Very good though!  ;)

Title: Re: Amazing illusion
Post by: iansoady on January 06, 2016, 10:31:32 AM

Super. Background makes such a difference hence why it's not sensible to rely on hi-viz / headlights. Both can merge into the background in certain circumstances.

Title: Re: Amazing illusion
Post by: Propellor on January 06, 2016, 10:39:08 AM

Quote from: manxie on January 06, 2016, 07:45:43 AM

It`s 07.45 and my head it battered already!  :o Very good though!  ;)

It's there for your delectation whatever time of day suits.  ;)

I was reading the book I saw it in at 6am. I have an hour's read most mornings.

Title: Re: Amazing illusion
Post by: timbo on January 06, 2016, 10:58:30 AM

That really is very good  :)

Title: Re: Amazing illusion
Post by: Propellor on January 06, 2016, 11:39:33 AM

Quote from: timbo on January 06, 2016, 10:58:30 AM

That really is very good  :)

It's staggering.

So is this.

https://en.m.wikipedia.org/wiki/Slow_light

Title: Re: Amazing illusion
Post by: Propellor on January 06, 2016, 01:09:54 PM

Quote from: Propellor on January 06, 2016, 11:39:33 AM

Quote from: timbo on January 06, 2016, 10:58:30 AM

That really is very good  :)

It's staggering.

So is this.

https://en.m.wikipedia.org/wiki/Slow_light

If someone could translate the section titled "different ways to achieve slow light" into actual words that would be great!  ;D