Fifteen of the world’s top Lego builders have been invited to showcase their unique creations at the annual Masterpiece ...

You should notice little white granules collected in the bottom corner of the bag. These granules are a special water-absorbing chemical called sodium polyacrylate. 5. Slowly open the bag and ...

These included sodium polyacrylate, a super-absorbent powder found in diapers. After the cells take in the solution, water absorption swells the gel, physically expanding cells to about the same size ...