What revolutionary instrument did Bose invent to make subtle plant movements observable and measurable?

Answer

The crescograph

The crescograph was Bose's famous device designed specifically to magnify the minute movements of growing plants, translating rapid, subtle biological events into visible and quantifiable graphical records.

What revolutionary instrument did Bose invent to make subtle plant movements observable and measurable?

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Sir Jagadish Chandra Bose: A pioneer in wireless communication

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