grammatical number - Is "robotics" a plural noun?

Possible Duplicates:
Politics: singular or plural?
What is the difference between a “singular noun” and a “plural noun treated as singular”?

Which is the correct form, "Robotics is no longer […]," "Robotics are no longer […]," or "Robotic is no longer […]"?

Answer

Robotics, although it's a plural noun, is treated as a singular noun.

See terms like Linguistics, Statistics or Economics, just to name a few.

Robotic can't be used, because it's an adjective, not a noun (like Robotics), so:

Robotics is no longer [...]