When you have an ugly hair day, conventional wisdom says to put your hair into a ponytail or wear a hair accessory. The other option is to wear an invisibility cloak.
Scientists at UC Berkeley have taken a major step toward making Harry Potter’s disguise of choice a reality. They’ve engineered two new materials — one using a fishnet of metal layers, the other using tiny silver wires — that neither absorb nor reflect light, causing it instead to bend backward.
Quotation from Time Magazine
I’m fine but you’re obviously having a bad hair day.
Quotation from Buffy the Vampire Slayer (1992 movie)
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