Wednesday Links: Tattoos, Laser Cutting & REM Detector

techtat-565x371 Temporary Tattoos to Monitor Vitals
An lighter more wearable alternative to FitBit (Via Beautiful Decay)
il_fullxfull.850556860_tbmh Laser-Cut Wood Illustrations
Layering laser-cut wood taken to a whole new level, by Martin Tomsky (Via Colossal)
z3hbygupo6r3xwsuqm0d copy Tiny V8 Engine Out of Paper
Paper can be exceptionally sturdy, especially when strengthened by glue. By Aliaksei Zholner (Via Gizmodo)
main REM Detection Sleep Mask
Save on video games – control dreams. (Via Hackaday)