This is an interesting article on how to make an efficient heater. May we contact Mr. Kim for his invention to be more widespread in the world? #‘난로는 깡통이다.’ 써본 사람들은 다 아는 진실이다. 이 깡통의 가격이 적게는 100만원에서 많게는 수천만원에 이른다. 제대로 된 난로를 홍보하며 깡통을 들고 나온 사람이 있다. 비영리 민간단체 ‘작은세상’ 김태경씨. 그의 ‘미소난로’ 개발사를 들어본다. 출처 : 양평시민의소리(http://www.ypsori.com) 독일난로Read More…