Turn me on my side and I am everything Cut me in half and I am nothing

Turn me on my side and I am everything Cut me in half and I am nothing

Turn me on my side and I am everything Cut me in half and I am nothing

Solve me this.

Turn me on my side and I am everything Cut me in half and I am

Turn me on my side and I am everything.

Cut me in half and I am nothing.

What am I?

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ANSWER

The number 8. On its side, it looks like an infinity symbol.

Cut in half, the number 8 becomes two zeros.