0:11 ¹Ì±¹ÀÎÀÇ °Ç°À» À§ÇùÇÏ´Â Áúº´ Áß °¡Àå ºü¸£°Ô Áõ°¡ÇÏ´Â °ÍÀÌ ¹»±î¿ä?¾Ï? ½ÉÀ庴? ´ç´¢º´? ÀüºÎ ¾Æ´Õ´Ï´Ù.¹Ù·Î ¾ËÃ÷ÇÏÀ̸ÓÀÔ´Ï´Ù.¹Ì±¹¿¡¼ 67ÃÊ¿¡ ÇÑ ¸í¾¿ ¾ËÃ÷ÇÏÀÌ¸Ó Áø´ÜÀ» ¹Þ½À´Ï´Ù.2050³â±îÁö ¾ËÃ÷ÇÏÀÌ¸Ó È¯ÀÚ°¡ 3¹è Áõ°¡ÇÒ °ÍÀ̱⠶§¹®¿¡³ëÀÎ Àα¸»Ó¸¸ ¾Æ´Ï¶ó ƯÈ÷ ±×µéÀ» µ¹º¸´Â °ÍÀ̾öû³ »çȸÀû ¹®Á¦·Î ´ëµÎ µÉ °ÍÀÔ´Ï´Ù. What's the fastest growing threat to Americans' health?Cancer? Heart attacks? Diabetes?The answer is actually none of these;it's Alzheimer's disease.Every 67 seconds,someone in the United States is diagnosed with Alzheimer's.As the number of Alzheimer's patients triples by the year 2050,caring for them, as well as the rest of the aging population,will become an overwhelming societal challenge.
1:23 ±×¸®°í, ¾à 2³â Àü ¾î´À ³¯ ¹ãÇҾƹöÁö¸¦ ÁöÅ°°í ÀÖ´Ù°¡ ħ´ë¿¡¼ ³»·Á¿À½Ã´Â °É ºÃ½À´Ï´Ù.¹ßÀÌ ¹Ù´Ú¿¡ ´ê´Â ¼ø°£¿¡,¹ßµÚ²ÞÄ¡¿¡ ¾Ð·Â¼¾¼¸¦ ºÙÀÌ¸é ¾î¶³Áö »ý°¢ÇØ º¸¾ÒÁÒ.¹Ù´Ú¿¡ ³»·Á¿Í ħ´ë¸¦ ¹þ¾î³ª¸é¾Ð·Â¼¾¼°¡ üÁß ¶§¹®¿¡ ¾Ð·ÂÀÇ Áõ°¡¸¦ °¨ÁöÇÒ °ÍÀÌ°í¹«¼±À¸·Î °£º´ÀÎÀÇ ÈÞ´ëÆù¿¡ ¼Ò¸®³ª´Â °æ°í½ÅÈ£¸¦ º¸³¾ °ÍÀÔ´Ï´Ù.±× ¹æ¹ýÀ¸·Î Á¦ À̸ð´Â ¹ã¿¡ ÈξÀ ´õ ÆíÇÏ°ÔÇҾƹöÁö°¡ µ¹¾Æ ´Ù´Ò °Í¿¡ ´ëÇÑ °ÆÁ¤ ¾øÀÌ Àß ¼ö ÀÖ¾úÁÒ. Then, one night about two years ago,I was looking after my grandfather and I saw him stepping out of the bed.The moment his foot landed on the floor,I thought, why don't I put a pressure sensor on the heel of his foot?Once he stepped onto the floor and out of the bed,the pressure sensor would detect an increase in pressure caused by body weightand then wirelessly send an audible alert to the caregiver's smartphone.That way, my aunt could sleep much better at nightwithout having to worry about my grandfather's wandering.
3:11 °èȹ¿¡ Âø¼öÇßÀ» ¶§ ¼¼ °¡Áö ³Á¦¿¡ Á÷¸éÇß½À´Ï´Ù:¸ÕÀú, ¼¾¼¸¦ ¸¸µé¾î¾ß Çß°í; µÎ ¹ø°·Î, ȸ·Î¸¦ ±¸»óÇØ¾ß Çß°í;¼¼ ¹ø°·Î, ¾îÇÃÀ» °³¹ßÇØ¾ß Çß½À´Ï´Ù.Á¦ ±¸»óÀ» ½ÇÁ¦·Î ±¸ÇöÇÏ´Â °ÍÀº óÀ½ »ý°¢º¸´Ù ÈξÀ ´õ¾î·Á¿î ÀÏÀ̶õ °É ¾Ë°Ô µÇ¾úÁÒ. When I laid out my plan, I realized that I faced three main challenges:first, creating a sensor;second, designing a circuit;and third, coding a smartphone app.This made me realize that my project was actually much harder to realizethan I initially had thought it to be.
3:52 ´ÙÀ½À¸·Î Àú´Â Âø¿ë °¡´ÉÇÑ ¹«¼± ȸ·Î¸¦ µðÀÚÀÎ ÇØ¾ß Çߴµ¥¹«¼± ½ÅÈ£ Àü¼Û±â´Â Àü·Â ¼Ò¸ð°¡ ½ÉÇÏ°í¹«°Ì°í Å« ¹èÅ͸®°¡ ÇÊ¿äÇß½À´Ï´Ù.´ÙÇེ·´°Ôµµ Àú´Â ºí·çÅõ½º¸¦ ÀÌ¿ëÇÑ ±â¼úÀ» ¾Ë°Ô µÇ¾ú´Âµ¥,ÀÌ ±â¼úÀº Àü·Â ¼Ò¸ð°¡ ¾ÆÁÖ Àû¾î¼ µ¿Àü¸¸ ÇÑ ¹èÅ͸®·Îµµ ÀÛµ¿ÀÌ °¡´ÉÇßÁÒ.´öºÐ¿¡ ¹ãÁß¿¡ ±â±â°¡ ²¨Áö´Â °ÍÀ» ¹æÁö Çß½À´Ï´Ù. Next, I had to design a wearable wireless circuit,but wireless signal transmission consumes lots of powerand requires heavy, bulky batteries.Thankfully, I was able to find out about the Bluetooth low energy technology,which consumes very little power and can be driven by a coin-sized battery.This prevented the system from dying in the middle of the night.
4:10 ¸¶Áö¸·À¸·Î, °£º´ÀÎÀÇ ÈÞ´ëÆùÀ» ¿ø°Å¸® ¸ð´ÏÅÍ·Î ¹Ù²ã ÁÙ½º¸¶Æ®Æù¿ë ¾ÛÀ» °³¹ßÇØ¾ß Çß½À´Ï´Ù.±×·¯±â À§Çؼ, Àú´Â ÀÚ¹Ù¿Í X Äڵ带 ¸¸µé ¼ö ÀÖ´Â Áö½ÄÀ» ½×¾Æ¾ß Çß°íºí·çÅõ½º ÀúÀü·Â ÀåÄ¡¿¡ ¸Â°Ô ¸¸µå´Â ¹ýÀ» ¾Ë±â À§ÇؼÀ¯Åõºê °ÀÇ¿Í ´Ù¾çÇÑ ¼ÀûÀ» Àоî¾ß Çß½À´Ï´Ù. Lastly, I had to code a smartphone app that would essentially transformthe care-giver's smartphone into a remote monitor.For this, I had to expand upon my knowledge of coding with Java and XCodeand I also had to learn about how to code for Bluetooth low energy devicesby watching YouTube tutorials and reading various textbooks.
5:07 ±×·¡¼ ¼ö¸¹Àº ȯÀÚµéÀ» ÅëÇØ ¼öÁýÇÑ ¼¾¼ µ¥ÀÌÅÍ´ÂȯÀÚ °ü¸®¸¦ °³¼±ÇÏ´Â µ¥ À¯¿ëÇÏ°Ô »ç¿ëµÉ °ÍÀÌ°í,¶Ç ¾î¼¸é º´À» Ä¡·áÇÏ´Â µ¥ µµ¿òÀ» ÁÙ Áöµµ ¸ð¸¨´Ï´Ù.¿¹¸¦ µé¸é, ÇöÀç Àú´ÂȯÀÚ°¡ ¹ã¿¡ µ¹¾Æ´Ù´Ï´Â ºóµµ¼ö¿Í³· È°µ¿ ¹× ½Ä´Ü »çÀÌ¿¡ »ó°ü°ü°è¿¡ ´ëÇØ ¿¬±¸ ÁßÀÔ´Ï´Ù. So sensor data, collected on a vast number of patients,can be useful for improving patient careand also leading to a cure for the disease, possibly.For example, I'm currently examiningcorrelations between the frequency of a patient's nightly wanderingand his or her daily activities and diet.
5:24 Àú´Â ÀÌ ÀåÄ¡°¡ óÀ½À¸·Î ¹ã¿¡ ħ´ë¸¦ ³ª¿Í¼ µ¹¾Æ´Ù´Ï´ÂÇҾƹöÁö¸¦ Æ÷ÂøÇÑ ¼ø°£À» ÀØÁö ¸ø ÇÕ´Ï´Ù.±× ´ç½Ã Àú´Â »îÀ» ´õ ÁÁ°Ô ¹Ù²Ù´Â ±â¼úÀÇ Èû¿¡ ¸Å¿ì ³î¶ú¾úÁÒ.»ç¶÷µéÀÌ ÇູÇÏ°í °Ç°ÇÏ°Ô »ç´Â ¼¼»ó, ±×°ÍÀÌ Á¦°¡ ²Þ²Ù´Â ¼¼»óÀÔ´Ï´Ù. One thing I'll never forget is when my device first caughtmy grandfather's wandering out of bed at night.At that moment, I was really struck by the power of technologyto change lives for the better.People living happily and healthfully --that's the world that I imagine.
5:39 °¨»çÇÕ´Ï´Ù.Thank you very much. 5:41 (¹Ú¼ö)(Applause)