Quirky Science (12)

The invention of ‘waves’ - as in radio waves or electro-magnetic fields - has led to many great inventions. Radio waves transmit music, conversations, pictures or data invisibly through the air, over thousands of miles - it happens every day in thousands of different ways. Even though radio waves are invisible and completely undetectable to humans, they have totally changed society. Whether we are talking about a cell phone, a microwave oven, our TV’s, RADAR systems or any one of the thousands of other wireless technologies, all of them use radio waves to communicate. But what are radio waves?... Číst dále

Grub Smith, Dennis Heath

Režie: Lee Thean-jeen, Mimi Soeteman, Karan Low