/u/PassportNerd's posts in /r/askscience

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How come when there is a sudden change in temperature, the glow in the dark parts of my watch start to glow even during the day?

1 upvotes

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Which degrees that people who design passport security features have?

1 upvotes

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Which degree do people who design passport security features get?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How come when there is a sudden change in temperature, the glow in the dark parts of my watch start to glow even during the day?	1
Which degrees that people who design passport security features have?	1
Which degree do people who design passport security features get?	1