Can make limited invisibility

I nodded. “What if we could turn invisible?”

“You can do that?” Amy blurted out.

Lisa’s eyes danced with excitement. “Go on.”

“There’ll be a few limitations,” I warned. “I can get the visible spectrum, maybe even infrared, but if he has some Tinkertech sensor that sees into ultraviolet or whatever, then it probably won’t work. It won’t stop sound or motion sensors or even smell, either. But if we aim for Sunday night, then I can make this work.”