Question

Scientists at ________ have built and flown the first-ever silent aeroplane with no moving propellers or jet turbines.
Massachusetts Institute of Technology
Oxford University
Harvard University
Stanford University
University of Cambridge

Answer 1

Heya!!

Here is your answer⬇️⬇️

Standford University is the answer

Hope my answer helps you

Answer 2

Scientists at ________ have built and flown the first-ever silent aeroplane with no moving propellers or jet turbines.

Massachusetts Institute of Technology

Oxford University

Harvard University

Stanford University✔️✔️✔️

University of Cambridge