Questions Answered by Liza

• Have you always wanted to be a scientist? If not, what made you change your mind? by anon-251974 and 1 other. Comments: (No comments so far )
• Time travel… could it exist, and would it involve the speed of light? Could you actually travel backwards or forwards by anon-251974 Comments: (So far, one comment )
• Hi there! I wanted to know why metals, when heated, glow red and then yellow. I understand that it involves the by anon-244767 and 1 other. Comments: (So far, one comment )