Live stream preview
How do fitness trackers measure your steps, heart rate, and sleep? Watch this episode of "How Does it Work?" to find out how these devices track your health.
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How Does it Work? - Astronaut Food
How do astronauts eat in space and what is their food like? Watch this episode of "How Does it Work?" to see how astronaut meals are prepared and consumed.
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How Does it Work? - Chatbots
How do chatbots understand and respond to your questions online? Watch this episode of "How Does it Work?" to discover the technology behind automated conversations.
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How Does it Work? - Optical Illusions
How do optical illusions trick your eyes and brain? Watch this episode of "How Does it Work?" to find out what makes these puzzling images work.
