Activity for user60406
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Using light as a barrier to block people without grilling them We know that light exerts pressure upon matter. I'm imagining a hallway where an intense light source on one end shines towards the other end. The goal is to have the beam of light exert so much pressure that a human being cannot enter (or reach the end of) the hallway. Of course, we only want to de... (more) |
— | almost 6 years ago |