|1. There is an alloy having a higher strength than steel and a longer elongation than a rubber band. Guess what it is.
||2. Have you even seen a metal arranging itself as a maze?
|3. Who cut the nano-particles in alloyed steel?
||4. Can you use red laser shooting to a transparent crystal and let it become green?
|5. What is the shell of heat tracing missile bullet made of? Steel, ceramic or glass?
||6. How big is this diamond? It actually grew from the nano-sized interface of metal sulfide.
|7. Nano-sized titanium dioxide was formed by an ultrahigh pressure. It was found within a 9 mm^2 garnet. Is it like to look for a needle in a haystack?
||8. The smallest kangaroo in the world is hiding between many nano-particles with sizes of ~60 nm. This can be observed by a transmission electron microscope.