If scientists have their way, then smartphones like the iPhone may double up as chemical sensors that can transmit alerts to first responders about the release of dangerous chemicals.
According to a report in Live Science, a NASA scientist has unveiled a postage-stamp-sized sensor that can plug into an iPhone and convert Apple’s beloved product into a mobile chemical detector.
The tiny device can sniff out low amounts of ammonia, chlorine gas and methane, and send alerts to other phones or computers over regular phone networks or a Wi-Fi connection.
“Ours is the smallest in the world that can do complete sensing work,” said Jing Li, a physical scientist at NASA’s Ames Research Center in California.
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Apple iPhone finally arrived at technology hub Korea amidst helium-filled balloons, flashing strobe lights, a blaring rock band and long lines of people who were waiting for 26 hours.

Korea’s second largest carrier KT Corp. will sell top of the line iPhone 3GS 32 GB at $317 (about 370,000 Korean won) or $38 (about 45,000 Korean won) per month two year plan. The unit becomes free for a $112 a month plan. This is already considered cheap. More than 53,000 units have been pre-ordered.
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