Uploaded December 2024 | Updated September 2026, 1 week ago

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Some things are hard to see, like an owl against a tree! But what makes something invisible? How is invisibility useful? If something is invisible, how do we know it's there? We'll explore these questions and more with exciting demonstrations and fun facts in our new Winter Livestream Shows 2024, broadcast live from the Science Oxford Centre. You won’t believe your eyes!