Answer:
What word is a plural, but when you add an "S" to the end, it becomes singular?
My first is second in lineอพ I send shivers up your spineอพ not quite shining bright I glitter in the light.
It is worldwide, but once only a spider could weave one
I am believed to be only one dimensional, and tinier than anything can be, and there are many who say that I am the basis of all that we see. What am I?
By the way, what never moves, wears shoes, sandals and boots, but has no feet?
I have two eyes in the front and a lot of eyes on my tail