In the corner of VC fund Nebular’s office space in New York’s Flatiron district, two plastic teddy bears are sitting beside a small 3D printer. The toys are prototypes of an “AI companion” for young children being developed by Nuha (an Arabic term for wisdom).  Nebular, the VC fund launched by Dubliner Finn Murphy, became the start-up’s first investor at the end of 2023, following an introduction between Nuha’s founder, Lama Al Rajih, and Tom McCarthy, who founded Patch, the start-up accelerator for young entrepreneurs in Ireland.  At two desks in the middle of the Flatiron office, Al Rajih, 24,…