REFLECTOR: Micro

[Dave Philipsen]

Here are a few explanations I found but I doubt if your 9-year-old will 
understand. 

http://www.freepatentsonline.com/3838998.html

http://answers.google.com/answers/threadview?id=756588

An excerpt from this link http://en.wikipedia.org/wiki/Glass_microsphere 
says, "Glass microspheres can be made by heating tiny droplets of 
dissolved water glass in a process known as ultrasonic spray pyrolysis, 
and properties can be improved somewhat by using an acid treatment to 
remove some of the sodium."



gattenby at tulsaconnect.com wrote:
> While mixing micro for the wing last weekend,
> I told my 9 year old granddaughter that the
> micro was actually small hollow glass balls.
>  
> She asked that if they are hollow, How do they make them?
>  
> Now this child thinks that I am "the smartest man in the world".
> And it gives me great pleasure that the above statement irriatates
> my ex-son-inlaw.
>  
> I was able to distract her at the time, But...
> I sure it's going to come up again.
> How do they make the micro hollow?
>  
> Noel
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-- 
Dave Philipsen
Velocity STD-FG
N83DP