Surprise! Equal sized black holes do NOT merge but repel each other to form Herbig Haro systems and ZPE energy on earth. Splitting black holes ( Spire) will show firm radiation pulses.
see: https://www.researchgate.net/publication/337760030_Two_Repelling_Herbig_Haro_Black_Holes_with_Electric_Birkeland_Current_Production_on_Earth