Incredibly rare and radioactive elements ☢
22:09
Californium - Periodic Table of Videos
22:43
Tungsten (new) - Periodic Table of Videos
13:50
Why Does Everything Decay Into Lead
17:35
Bir kuvartz saat nasıl çalışır - kalbi saniyede 32.768 kez atıyor
19:47
What Happens if you MIX ALL The METALS Together?
18:59
Why are Smoke Detectors Radioactive? And How do Smoke Detectors Work?
11:20
Şeytanın Elementi - PLÜTONYUM
57:03