During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice motion is negligible ...
The advent of modern antibiotics contributed enormously to the dramatic extension of human lifespan since their discovery by virtue of their lethal and selective action against pathogenic microbes.
Sponsors And Promo Codes Podcasts Leisure Studio 2 From WHYY Everything you need to know about what’s happening in the Delaware Valley – from news and politics to science and the arts– delivered with ...