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Blue sunset on the Red Planet Mars

This made the news yesterday, but pretty cool to include anyway since we had a whole Mars theme not long...

Electronic silicon wafers & Chinese magic mirrors? Chinese magic mirrors are a traditional art form in Japan, used to detect errors in silicon wafers for electronic components. The magic mirror in Japan is associated with 'hidden Christians' using the technique to hide images of Jesus. Here, you can see a radiator reflected in this silicon wafer. Photo: Wikimedia/public domain
Electronic silicon wafers & Chinese magic mirrors (Photo)

Almost wrapping up our mirror theme, we wanted to point out one important application of mirrors in the manufacture of...

1656 satirical woodcut of a plague doctor, arguably using an early air purification mask. Image: Wikimedia/Creative Commons
Dr. Beak From Rome and the Black Plague, or why having a surgical mask might be handy

This 1656 woodcut (see photo) depicts the plague doctor "Dr. Beak from Rome" ("Doktor Schnabel von Rom"). His bird mask...

Puzzle photo: Panama Canal related to Mars?

For today's photo post, we have a puzzle: how is the Panama Canal related to the Planet Mars? Continuing on...

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