Tom balonu helyum ile doldurdu.
- Tom filled the balloon with helium.
Helyum, neon, argon, kripton, ksenon ve radon soy gazlardır.
- Helium, neon, argon, krypton, xenon and radon are noble gases.
... We have two anti-protons with two anti-neutrons to create anti-helium. So in principal, ...
... And in Brookhaven National Laboratory in Long Island just recently, they detected anti-helium. ...