Light that twists as it travels and materials whose internal order is knotted like a pretzel are starting to collide in the ...

Far below the waves of the Pacific Ocean, cameras on a research vessel recently swept across something that looked impossible ...

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Andy Smith is ...

Porous materials are materials with pores (cavities, channels or interstices). The characteristics of a porous material vary depending on the size, arrangement and shape of the pores, as well as the ...