I'm looking for sheet mirrored plexiglass, acrylic, polycarbonate ... [more inside]
Are there types of laser light, color or wavelength, whole beam can be seen in daylight conditions with a special eyeglass filter? [more inside]
What kind of small toys or devices click when you rotate them forwards and backwards? Seeking mechanism or design... [more inside]
Can anyone tell me where to research/find bulk viscoelastic rubber, or molded rubber that has viscoelastic properties? I'm looking for a material that when stretched, takes its sweet time in returning to its original size/shape. Turns out there are no rubber stores in my area to browse, thus no experts to turn to. Most info I've found online is scientific discussions about rubber properties.
StatsFilter: Evidence challenging/contradicting conventional controlled/placebo trials? [more inside]