Solar cells are constantly getting better at collecting energy from sunlight, but their ability to store it isn't improving quite as fast. Made from graphene and with a fern-inspired fractal structure ...
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Jacob S. Suissa, University of Tennessee (THE CONVERSATION) There are few forms of the ...
The sensitive fern – named due to its sensitivity to drought and frost – is a widespread species found throughout eastern North America and eastern Asia. It is a dimorphic plant because it has two ...
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