"somebody" wrote:
> Fabric protectors (like Scotchgard) and water repellants have been 
> available
> for ages (that's why people wax their cars), nothing "nano", just regular
> technology marketed under a hype branding.

No, while some brands are like this, NanoCover does use actual 
nanotechnology. I found out there was a program in TV a while ago (I was 
able to see it online) testing if their products lived up to the commercial. 
Their results were mixed - some of the fabric repelled the red fruit juice 
they spilled on it, while other parts of the fabric did not. The reason was 
unclear - maybe insufficient or incorrect preparation of the textile was my 
impression, while they would not admit this and simply didn't comment on the 
strange inconsistent behavior. They did show the NanoCover liquid to a 
university professor though, who confirmed (with a nanomicroscope or 
whatever it's called) that it did contain nano-particles, but who could not 
comment on how effective it would be, saying that it could only be 
determined through testing.

> Also, not all (red) liquids are adhesive - depends on surface
> tension and cohesivity (mercury won't "stick", for instance).

Hmm, I dunno... It was a transparent red liquid. Anyway, regardless of what 
was used in the commercial, the hosts of the TV show was able to partly 
replicate the results - though not entirely.

I have been searching for online forum posts of people with experience with 
these products, and while some results are disappointing, others are 
reportedly very brilliant. Some of the posts I found very trustworthy, 
particularly one from a person who had tried their products on several 
materials and reported no effect with some of the things he had tried, but 
big satisfaction with others.

Rune

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