Answer:
Flat as a leaf, round as a ring. Has two eyes, can't see a thing.
What can you put in a barrel to make it lighter?
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?
Late afternoons I often bathe. I'll soak in water piping hot. My essence goes through. My see through clothes. Used up am I - I've gone to pot.
In marble halls as white as milk, lined with a skin as soft as silk. Within a fountain crystal-clear. A golden apple doth appear. No doors there are to this stronghold, yet thieves break in and steal the gold.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?