You are viewing a single comment's thread from:RE: Teach me (My new contest 25 Steem for grap)View the full contextvector01 (43)in #teach-me • 8 years ago (edited)In this post i explained about "Where does light go when we turn off the light bulb in a room" https://steemit.com/science/@vector01/where-does-the-light-go-when-we-turn-off-the-light-bulb-in-a-room-2017106t12546789z