Since Richard Nixon sweated and scowled his way through the first televised presidential debate with John Kennedy in 1960, TV’s importance in American politics has been well established: Being a successful politician, or at least getting elected, requires knowing how to look good on camera.

More than 1 billion smartphones are sold in the world each year and manufacturers all face the same challenge: how to make the touchscreen glass more resistant. Screen breakage is now the leading type of phone damage. Consumers want phones that are both bigger and thinner, offsetting strides made in strengthening glass.