Julian Maha and Michele Kong have been grabbed, yelled at, and criticized in public places when their son had a meltdown. So they started an organization that helps families like theirs feel welcome wherever they go.

Neuroscientist David Eagleman explains his latest invention, the “versatile extra-sensory transducer,” a vest installed with tiny motors that can convert sound and noise into vibrations on the back, allowing deaf people to hear the world through vibrations.