Researchers have applied to acoustic waves the concept of 'scattering cancellation,' which has long been used to systematically cancel the dominant scattering modes of electromagnetic waves off ...

SEMs are capable of imaging many different sample types including semiconductors, metals and alloys, polymers, ceramics and biological samples. Some samples can be more difficult to image and must be ...

An easy way to make millirobots by coating objects with a glue-like magnetic spray has been developed. Driven by the magnetic field, the coated objects can crawl, walk, or roll on different surfaces.

(Nanowerk News) An easy way to make millirobots by coating objects with a glue-like magnetic spray was developed in a joint research led by a scientist from City University of Hong Kong (CityU).