With Valencell, blood pressure is measured with your smartphone

Developed by Valencell, the optical sensor for mobile devices measures blood pressure accurately. Coming soon to the first smartphones Can a smartphone help us keep our blood pressure under control? The answer is yes, if you take into consideration the invention developed by a group of American researchers. The scientists of Valencell have developed a … Read more

What is photographic exposure

To get photos with a good amount of light you need to make a proper photographic exposure: here’s what it consists of, the various types and how they work. When you take a photograph, which from the Greek means writing about light (where photo is light), light is the first component that you must learn … Read more