4 ms·

Solar panel roadways for latter

• amdavidson 10y ago
  That falls clearly into the former category. Extreme to the point of being nonsensical in its impracticality (cost of installation, cost of replacement, current PV efficiencies, etc), but not fundamentally impossible.
  • flamedoge 10y ago
    Well none of the examples for latter aren't technically impossible. Impossibility is ie. Perpetual machine.