Answer:
I can go through glass without breaking it.
I am a mini solar powered computer.
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.
When you take away the whole from me there is always some left.
I have three feet but I cannot walk. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.