Mainland scientists have discovered a "super material" that is as light as a balloon yet as strong as metal, which could be developed by the mainland's military into armour that protects troops ...

“We’ve been doing this so long,” Charlie added, “and we didn’t want a storefront because we couldn’t compete with it (Party City),” which buys balloon materials like ribbon in giant ...

Art Thompson:There's a series of nylon strings that run through that balloon material to be able to carry the weight. 801:01:26:02 01:01:31:20Narrator:As the balloon climbs, the helium expands ...