Caltech scientists have invented an ultrafast camera that is capable of taking 1 trillion frames per second of transparent objects. The invention comes after the university created a camera so fast ...

Engineers have adapted a picosecond imaging technology to take pictures and video of transparent objects like cells and phenomena like shockwaves. A little over a year ago, Caltech's Lihong Wang ...

New camera technology that takes up to 1 trillion frames per second is so advanced it can take images of transparent phenomena, U.S. researchers say. The camera builds on previous research, in which ...

A photogram is a photographic image that is made without a camera. Objects are placed directly onto the surface of a light-sensitive photographic paper and then exposed to light in a darkroom. The ...

A photogram is a photographic image that is made without a camera. The result is a negative shadow image that shows variations in tone, depending upon the transparency of the objects used. The shadows ...