Fire Quote by Larry Niven
“Never fire a laser at a mirror.”
About This Quote
Source Story: Ringworld, Larry Niven, 1970
Attempting to use a laser on a mirror creates a feedback loop that can cause destruction.
In simple terms: Laser on mirror causes dangerous feedback.
Key Takeaway
Avoid creating self‑destructive loops.
Themes
science
technology
danger
feedback
physics
Mood
cautious
analytical
Type
technical
warning
When to use this quote
- laboratory experiments
- laser demonstrations
- engineering design
- safety protocols
Key Concepts
optics
energy
reflection
risk
Questions to Reflect On
- What systems can you design to prevent feedback loops?
- How do you test for unintended consequences?
A Different Perspective
If the mirror is angled, the laser may be harmless.
![“Next came the Patent laws. These began in England in 1624; and, in this country, with the adoption of our constitution. Before then [these?], any man might instantly use what another had invented; so that the inventor had no special advantage from his own invention. The patent system changed this…” quote by Abraham Lincoln](https://sms4smile.com/quotes/img-quotes/449/abraham-lincoln-88_adoption_next-came-the-patent-laws-these-began-in_1828.jpg)
