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Thundahcaxzd t1_j4u4794 wrote on January 18, 2023 at 7:00 AM

Reply to comment by Competitive_Way_5485 in What happens to the energy of sound in space? by full_hammer

Sound is molecules bumping into each other, so it needs a medium. Electromagnetic radiation such as light or radio or microwaves etc are something else entirely and dont need a medium.