Don't Let your kids play with Old mobile (cell) phones
GSM (and 3G-UTMS) Mobile phones, even without sim cards can call Emergency services (112/911/999/000/111 etc) even when locked - Prank calls to emergency services waste time of the operators and can mean someone who's in need is waiting longer or can't get through - If your phone calls emergency, even by accident - DO NOT HANG UP - Wait until an operator answers, explain the mistake and everyone is happy - ... https://www.youtube.com/watch?v=f4E81ERMFPw
How to disassemble and upgrade your iPod Mini (1st and 2nd generation).
Replacing the 4GB micro-drive with 16GB Compact Flash,
Replacing the battery.
Also reloading your firmware and installing rockbox -
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https://www.youtube.com/watch?v=koweTo01oZU
Ever wanted to know what is inside of a Solid state hard disk drive?
Here's your chance.
This intel SSDNOW 330 has the sandforce firmware bug and can not be resurrected. It is going back for RA, but first I want to show you what is inside.
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https://www.youtube.com/watch?v=TyIb1-9omss