In hurumanu 3 I have been looking up the evolution of light and this is what iv got
Fire was here at the beginning of time
Oil was discovered in the 1895
Candles were invented in 200 BC
Gas lanterns were invented in the 1860’s
Electric carbon air lamps were invented in the 1870’s
Kerosene lamps were invented in 1853
Electric light bulbs were invented in 1879
Sodium lamps were invented in the 1920’s
Halogen lamps were invented in 1959
Fluorescent lamps were invented in 1927
LED lamps were invented in 1927
