Time-reversal symmetry means reversing the order of the inputs results in appearance the same output regardless of input order. The attempt was to break the sym

Time-reversal symmetry means reversing the order of the inputs results in appearance the same output regardless of input order. The attempt was to break the symmetry in order to provide evidence the intended input sequencing was achieved. "Time Reversal" would be better written as "Time-reversal" in title.