This guy doesn't know what light is haha. He can give a mathematical equation but that's is not what light is. I know he doesn't know because he belittled the person asking the question when the question is on topic and a good question.,(reply>), Aᴘᴘʀᴇᴄɪᴀᴛᴇ ʏᴏᴜ ғᴏʀ ᴡᴀᴛᴄʜɪɴɢ❤<br>👆Dᴍ ᴍᴇ ᴏɴ ᴡʜᴀᴛsᴀᴘᴘ ᴡɪᴛʜ ᴛʜᴇ ᴀʙᴏᴠᴇ ᴅɪɢɪᴛs ɪ ʜᴀᴠᴇ sᴏᴍᴇᴛʜɪɴɢ sᴏ sᴘᴇᴄɪᴀʟ ᴛᴏ sʜᴀʀᴇ ᴡɪᴛʜ ʏᴏᴜ❤