As highlighted by the cardboard bicycle, cardboard can be a surprisingly versatile manufacturing material in the right hands. Further proof of this comes via the Kranium: a bicycle helmet constructed ...

Just last month, we told you about the Kranium – a prototype bicycle helmet with a core made from cardboard instead of the usual expanded foam. Well, we obviously weren’t the only ones impressed by it ...

Would you ride a bike while wearing a helmet made of cardboard? What if its design was inspired by nature — specifically, a woodpecker? You'll have a chance to do just that next year — meaning you ...

More than 1 year ago, we reported on the Kranium, the helmet made from cardboard, an invention which promised to change the way we secure our heads when riding a bicycle. The story did not end there, ...

Anirudha Surabhi’s brilliant cardboard Kranium helmet is the latest and greatest development in sustainable noggin-protecting technology. While cardboard might not sound like the material of choice to ...