A powerful, pocket-sized optical imager, no longer science fiction

Before Wilhelm Röntgen, a mechanical engineer, discovered a new type of electromagnetic radiation in 1895, physicians could only dream of being able to see inside the body. Within a year of Röntgen's discovery, X-rays were ...

'Electronic skin' could improve early breast cancer detection

For detecting cancer, manual breast exams seem low-tech compared to other methods such as MRI. But scientists are now developing an "electronic skin" that "feels" and images small lumps that fingers can miss. Knowing the ...