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Circular rainbows

When we think of a rainbow, we probably think of a colourful arch … possibly with a pot of gold at the end. But you may be surprised to learn…

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The Green Flash

The Green Flash is often considered a myth (you may have heard about it in the Pirates of the Caribbean movie). But it is actually a fascinating optics phenomenon. You can…

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Civil disagreements

Having conversations with someone you don’t agree with can be difficult, exhausting and overwhelming. When discussing topics such as politics, religion or science, inevitably people will have different views. Here…