Conversation so far:
What experiments did James Watt do?
James Watt experimented with steam and thermodynamics
And what did James Watt's contribution with steam and thermodynamics do?
James Watt's contributions were fundamental to the changes brought by the Industrial Revolution in both his native Great Britain and the rest of the world.

Question: Who else did Watt colaborate with?
Self-contained rewrite: Who else did Watt colaborate with on his steam experiments?