资讯

Interesting Engineering19 分钟
World’s fastest medium-voltage DC breaker may unlock next-gen energy infrastructure
A new semiconductor-based DC breaker can cut faults in under 50 microseconds, offering faster, cheaper protection for the ...
Interesting Engineering41 分钟
2,000-year-old Chinese Terracotta Army technique found to double artillery gun lifespan
The breakthrough not only reduces maintenance and failure risk, but also dramatically improves weapon reliability and ...