@David , re " and since it is just one LED reflecting back and forth you can't do that." .
Hmm , but the viewing angle of each LED changes as you move into the spiral ? maybe?
Years ago, I was messing with some prismatic solar concentrators, these are glass prisms, 20mm square at one end and 10mm square at the other, 70mm long and use total internal reflection. You glue a very expensive 10mmx10mm Triple Junction PV cell on the small end, then when you look in the big end it looks like a 20mm square PVcell. But what you gain in area you lose in acceptance angle.
The thing is when looking at a certain critical angle stuff behind the prism would appear and dissappear , so you could put red, green,blue colored postits behind the prism, and you would see different colors according to your head (angular) position, while staring at the same spot in space.
So if one were to contrive some kind of laser cut perspex wedge, and put an array of leds along a long edge, and just poke the pointy edge of the wedge into the holes where the leds are currently, you would be looking at different LED's within the array according to how "deep" inside the wormhole you looked. The wormhole would also change appearance when you moved your head to get some freaky holographic effect.
@salbayeng...you could have a fixed (but slightly moveable) mount on the back mirror at 9 o'clock. You then have a moveable mount at 3 o'clock (for side to side movement) and one at 6 o'clock (for up and down movement). The moveable ones just need a nut attached to the mirror, and a screw attached to a small geared or stepper motor to move the mirror. I'm sure it would need a bit of experimentation to get it right, but to have the hole moving at the same time as the lights are changing would be awesome.
With a deeper mirror like this one, you could maybe have lines of LEDs mounted parallel to the axis on the sides and light them in sequence to give depth changing effects - I think the further back the lighted LED was, the more the line of reflections would expand?
Max has got plenty of ideas to play with :-) Just not the time :-(
Struggling to improve on Davids suggestion, but if the back mirror was on a flexible substrate, then you could contrive to change its curvature (e.g by push/pulling on the central part with a servo). this would have the effecto of expanding/contracting the wormhole.
Or fix the mirror at the centre and have a servo in each corner. I'm guessing a long lever arm would be needed as the infinity mirror principle needs only fractions of a mm displacement. Then you could do all sorts of moving/ rotating/ zooming effects,
@David: ...If this is the case then it's not that much ahead of yours?...
Sadly, he's light-years ahead of mine -- he's not just got the one LED in a thin slice -- his setup is much deeper and he had multiple LEDs going backwards -- check out the pictures in the column I linked to in my blog
Max I presume this is an infinity mirror with effects....based on the fact that the streaks of lights disappearing down the wormhole are all the same colour and change at the same time? If this is the case then it's not that much ahead of yours? It looks like he has a couple of layers of LEDs, not just one. It's very pretty but it does not give the effect of disappearing down the hole, that would need the lights to effectively "Travel" down the hole (like the old Microsoft Stars screen saver in reverse) and since it is just one LED reflecting back and forth you can't do that..... Well, if you could dramatically slow down the speed of light inside the mirror you might be able to do this...there's something for you to work on :-)
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