Tweet from PennNETS
RT @ylecun: A sort of nickel-based aerogel-like material that is as strong as titanium and very lightweight (70% empty). https://t.co/8TakL… February 13, 2019, 7:25 pm
RT @ylecun: A sort of nickel-based aerogel-like material that is as strong as titanium and very lightweight (70% empty). https://t.co/8TakL… February 13, 2019, 7:25 pm
