DW Made in Germany December 4, 2019 00:41:00
A major disadvantage of this kind of farming and the energy cost of producing artificial sunlight outdoor farmers at the sun for free. in the 19th century gas lanterns still lit up our streets then thomas alva edison came up with the 1st commercially viable electric light bulb they didn't last that long logbook showed they only burn for 14 and a half hours the technology for producing light has come a long way since then. this is what lit up the 20th century the good old doesn't light bulb made by the big players and the industry. germany's. philips and the netherlands and g.e. and the us cont...