How to Bring Light Inside a Structure

This is called light, L-I-G-H-T. And what you do is you can bring these inside and enclose the structure. Do you know that you could put this light, potentially, underground in a tunnel? And then you could use a different spectrum to make sure that it's the right kind for growing food. Texas has got this bill that hasn't been passed yet, but it looks like it might. To require that every school have an armed person at the school. An armed guard. What do you think of that? Do you think that'll work? There'll be an armed guard at every school.