radiation is a method of heat transfer that can take place in
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Radiation is the transfer of heat by means of electromagnetic waves. ... Thermal radiation can occur through matter or through a region of space that is void of matter (i.e., a vacuum).
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ʀᴀᴅɪᴀᴛɪᴏɴ ɪs ᴛʜᴇ ᴛʀᴀɴsғᴇʀ ᴏғ ʜᴇᴀᴛ ʙʏ ᴍᴇᴀɴs ᴏғ ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛɪᴄ ᴡᴀᴠᴇs. ᴛʜᴇʀᴍᴀʟ ʀᴀᴅɪᴀᴛɪᴏɴ ᴄᴀɴ ᴏᴄᴄᴜʀ ᴛʜʀᴏᴜɢʜ ᴍᴀᴛᴛᴇʀ ᴏʀ ᴛʜʀᴏᴜɢʜ ᴀ ʀᴇɢɪᴏɴ ᴏғ sᴘᴀᴄᴇ ᴛʜᴀᴛ ɪs ᴠᴏɪᴅ ᴏғ ᴍᴀᴛᴛᴇʀ (ɪ.ᴇ., ᴀ ᴠᴀᴄᴜᴜᴍ).
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