Kalevan
WonderHowTo
Gadget Hacks
Next Reality
Null Byte
Gadget Hacks
Next Reality
Food Hacks
Null Byte
The Secret Yumiverse
Invisiverse
MacGyverisms
Mind Hacks
Mad Science
Lock Picking
Driverless
About Kalevan
Retired from a technology job where I abused electrons for a living.
Location: Northern California
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