Proto-Putty in Liquid Nitrogen & Other Crazy Tests!!!toha (44)in #science • 9 years ago (edited) Share from Youtube ! This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Have fun, but always think ahead, and remember that every project you try is at YOUR OWN RISK. Please UPVOTE & FOLLOW Thanks ! #technology #video #busy #blog