Xinghe didn't even realize that he had left. In fact, his existence had long since escaped her mind. After the short lunch, Xinghe returned to her work.
Xinghe had spent most of her time looking for a suitable material, and even though she had scanned through most of the information, she hadn't found the material she needed. The closest match was coal.
However, coal had its downsides, too. it was too fragile and thus needed other materials to support it, but that would push it over the weight limit. Xinghe needed a material that could be made into nano size without needing to be compounded with other materials and still match their requirement.
The requirement list was long; it had to be perfect in terms of weight, thermal, and electrical conductivity, compatibility with human blood and many more criteria…
