2019年6月14日 星期五

81歲美國業餘發明家 Marshall Medoff

The inventor turning plant life into biofuel

Marshall Medoff's innovative method of turning pland life into fuel and other useful products. 

Source:  https://www.cbsnews.com/video/marshall-medoff-the-unlikely-eccentric-inventor-turning-inedible-plant-life-into-fuel-60-minutes


https://www.xyleco.com/board


Walden pond
華登湖冥想業餘發明家 Medoff