July 13, 2018 Outside STRONG SUN Radiation #UVC #UVB #UVA – Bonus Viewer Pictures!

July 13, 2018: ~Bonus Sky Phenomenon Viewer Pictures~ | In this video we measure outside solar “UV” radiation, we read

Read more

Big Picture I 빅픽처 [Gag Concert / 2018.07.07]

Click the “Caption” button to activate subtitle! ▶Gag Concert | 개그콘서트 – Ep.955 Showtime: Sat 18:00 (Seoul, UTC+9) Cast: Kim

Read more