Glow sticks are one of the few things used commonly by ravers and military personnel, but their uses extend far beyond dancing and illuminating. The juice contained in blue glow sticks can be used to make an organic LED (OLED) test board, and this video will show you how to do it.
Just updated your iPhone? You'll find new emoji, enhanced security, podcast transcripts, Apple Cash virtual numbers, and other useful features. There are even new additions hidden within Safari. Find out what's new and changed on your iPhone with the iOS 17.4 update.
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