I’m not a food, but I come with every bite. I can be burned without flame or light. I’m measured in numbers, not in spoons. What am I?

A thought experiment kept in a box, alive or dead, behind quantum locks. Do not open the lid, curb your curiousity, for you know what they say, curiousity killed me.

What’s the next number in this sequence? 3,3,5,4,4,3,5,5,4,3,6

I'm a crude word for a BM, often associated with a single large piece, and sorry for any unwanted visuals. I'm also a three letter mathematical term, sometimes annoying, defining an exponent in multiplication. I'm a piece of tree, so please solve the word; an easy three letter term.

What irony, or trick of eye, To ascribe to things, what they deny, Such that a thing becomes defined, By what it simply won't abide, And so becomes identified, By what it chose to cast aside, Not by what it holds inside, But that without, which we have spied