A Look at What Happens When You Fill a Rubber Balloon With Liquid Nitrogen by Justin Page on May 17, 2016 FacebookTwitterMorePinterestTumblrLinkedInPocketTelegramWhatsAppSkypeRedditPrint Grant Thompson (a.k.a. “The King of Random“) shows what happens when you fill a rubber balloon with liquid nitrogen. Will the balloon freeze and crack, and spill liquid nitrogen everywhere? …Or will the liquid stay inside? And if so, what happens next?