The Aug. 2017 eclipse "brought out geeky excitement" for the CTI team, CEO Lyle Small said.
Anthony Locicero, Associate Editor08.21.17
To commemorate today's total solar eclipse – the first since 1991, per NASA – Colorado-based Chromatic Technologies, Inc. was tabbed to create a stamp using temperature-activated, color-changing ink that simulates the moon crossing the sun’s path.
CTI's thermochromic inks allows each stamp – the United States Postal Service (USPS) produced 60 million – to display two images of the sun's corona during a total solar eclipse, according to CTI founder and CEO, Lyle Small.
When a thumb or finger – 84° F or higher – is placed on the stamp for a few seconds, the lunar surface appears.
The image reverts to the dark image when cooled to 77° F. and below.
"The rare event of an eclipse has brought out the geeky excitement in all of us [at CTI]," Small said.
Per NASA, the eclipse was expected to travel across the U.S., from Oregon to South Carolina, on Aug. 21.
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