20221127 김정훈 by 김정훈 https://padlet.com/kjh031103/n97uajd69hxqnmww Title of your Presentation en-us 2022-11-18 13:53:35 UTC 2024-06-03 22:45:14 UTC hello@padlet.com Module 29 Problem kjh031103 https://padlet.com/kjh031103/n97uajd69hxqnmww/wish/2389937381 Light pollution]]> 2022-11-18 13:53:35 UTC https://padlet.com/kjh031103/n97uajd69hxqnmww/wish/2389937381 Module 29 Solutions kjh031103 https://padlet.com/kjh031103/n97uajd69hxqnmww/wish/2389937382 1. Turn off unnecessary light at night.
2. Install motion sensor in lamp.
3. Change all LED lamp.]]> 2022-11-18 13:53:35 UTC https://padlet.com/kjh031103/n97uajd69hxqnmww/wish/2389937382 Module 30 Before Experiment kjh031103 https://padlet.com/kjh031103/n97uajd69hxqnmww/wish/2389937383 My body feels tired.
My eyes feel bad.
My brain feels that I have a headache.]]> 2022-11-18 13:53:35 UTC https://padlet.com/kjh031103/n97uajd69hxqnmww/wish/2389937383 Module 30 After Experiment kjh031103 https://padlet.com/kjh031103/n97uajd69hxqnmww/wish/2389937384 My experience was walking and sitting at park for 10 minutes. 
Now I feel cool and fresh.]]> 2022-11-18 13:53:35 UTC https://padlet.com/kjh031103/n97uajd69hxqnmww/wish/2389937384