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Thursday, June 15, 2006

 

An Early Father's Day Present





Hmmm, what could it be? Did you order anything from redENVELOPE? Should we open it now? Or should we save it for Father's Day?



How pretty! What COULD it be?




Could it be a shirt? A tie? Socks? A box of home made chocolate chip cookies? Candy? I know. A box of light weight tools!

Hmmm...


'a gift for you'

In Asian cultures, gifts are often presented in a simple red envelope, or in this case, a red box, a symbol of honor and appreciation.






A solar radiometer, a Father's Day present from Christine and Bob, is sitting on the table in the sunroom. What a surprise! Thank you very much!




The solar radiometer was invented by an English physicist in 1875. Called the Crookes radiometer, or light windmill, it proved that light exerts a force. Its black and polished vanes convert light into energy inside the vacuum globe. When set under 'warm' light, such as a table lamp or the sun, the vanes spin, and, depending on the power of the light, can reach thousands of revolutions per minute. The radiometer will not spin under 'cold' fluorescent or neon lights.


Please know, that the radiometer is sitting directly on the table. I placed it on the red lid so it could be seen in the picture. :-)

# posted by Martha @ 2:39 PM
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