"I see. That's useful. Can you also create different wavelengths of light?"

He'd picked up things from his wife who happened to have powers of her own due to a quantum accident when she was a child. He can't claim to be an expert but he was actively searching for others who might be able to help stabilize her before everything was lost on the ship they both came from. If she does find her way here, he doesn't know in what condition she might be. Even now, he cannot let go of the hope that somehow they will reunite.