The business is hard to understand but addresses business needs. It was profitable at inception, the plunged into losses as a result of overheads and development of storage network infrastructure. This sector has seen frenetic takeovers, involving buyers with more money than sense. Fingers crossed that rumours of launch negotiations with top Wall Street firms are true. They develop technology to make graphics more realistic.
Games are a huge market, where much imaging is currently unconvincing.
Building a physics engine sounds ambitious, in many ways echoing the early Iona. It's a TCD spin-off in middleware, which provides software to other software providers. It could be big if it works. There's a real customer need, because game software lags behind consoles. They've good partners, including Sony.