2025. 열변색 종이-볼록렌즈 실험 by 김소민 https://padlet.com/limi349/93pcgsnprx548m26 en-us 2025-07-04 04:34:36 UTC 2025-07-04 04:40:15 UTC hello@padlet.com 3모둠 https://padlet.com/limi349/93pcgsnprx548m26/wish/3510358323 2025-07-04 04:39:05 UTC https://padlet.com/limi349/93pcgsnprx548m26/wish/3510358323 5모둠 256321_17 https://padlet.com/limi349/93pcgsnprx548m26/wish/3510359491 2025-07-04 04:40:14 UTC https://padlet.com/limi349/93pcgsnprx548m26/wish/3510359491