'Toilet of the future' solves global issues

Students invent 'toilet of the future'
Students invent 'toilet of the future'

    JUST WATCHED

    Students invent 'toilet of the future'

MUST WATCH

Students invent 'toilet of the future' 01:17

Story highlights

  • Bill & Melinda Gates Foundation has launched "Reinvent the Toilet Challenge"
  • A group of Caltech student's won the challenge in 2012