Assertion: solar energy | /r/HasProperty | harnessed by human
Facets:
value: since ancient times
type: TEMPORAL
Source sentences:
text: Solar energy has been harnessed by humans for thousands of years for heating purposes, and more recently for electricity generation.
text: Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient times using a range of ever-evolving technologies.
text: Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient times using a range of ever-evolving technologies.