A start-up company co-founded by a Korean designer has developed a device that allows swimmers to breathe underwater without specialized equipment such as an oxygen tank.
Yeon Jae-byun, who co-founded and is in charge of design in the Korea-Sweden joint company YEKA innotec, has developed "Triton," an oxygen respirator containing microporous hollow fiber with openings smaller than water molecules but big enough for oxygen to pass through.
A powerful micro-compressor run by a lithium-ion battery extracts and stores oxygen inside the device.
The wearer can swim 4.5 meters underwater for up to 45 minutes with a two-hour charge. The lightweight device is 29 centimeters long and 12 centimeters wide.
http://koreatimes.co.kr/www/news/tech/2016/03/129_201225.html
"... It is only in this way that we can hope to arrive at truth, and fulfill the great responsibility which we hold to God and our country. Should I keep back my opinions at such a time, through fear of giving offense, I should consider myself as guilty of treason towards my country, and of an act of disloyalty toward the Majesty of Heaven, which I revere above all earthly kings."....I know not what course others may take; but as for me, give me liberty or give me death!"
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