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The latest "wow!" video making the rounds on the internet recently is
the 3-d printer clip on YouTube and other internet vid sources. In
case someone hasn't seen it... a narrator takes us into a lab where
the "inventor" shows the process whereby he takes a wrench, scans it
in a new type of scanner, puts the printout into some sort of 3-d
printer (after coloring the adjusting mechanism red) which contains
some sort of "resin"material and after a few minutes the narrator
reaches into the pool of "resin" and out pops a copy of a real
working wrench with a red adjustment gear. The copy does the same
job as the real wrench.
The narrator is a "real person"... a PhD and astronaut (at least
according to several articles I Googled), but the whole thing has to
be an elaborate hoax. Either that or it's the biggest invention
since the light bulb. If it is a hoax, I have yet to see anyone
write about it on any discussion group, on YouTube, or other news
source. Likewise, a real invention such as this would have been
heralded throughout the scientific world by now. Anyone have any
explanation or comments?