Y ou’ve probably seen the acronyms DPI, PPI, and LPI for resolution types. They all look and are similar, but the three are slightly different. Learning about and setting the co ...

Scientists in China have created a new type of display with the smallest pixels and the highest pixel density ever.

A good smartphone now will have about 500 pixels per inch (PPI) on its screen. Even the best phones we could find clock in at just over 800 PPI. But Stanford researchers have a way to make ...

The seven available PPI medicines are roughly equal in effectiveness and safety but differ in cost. Three—omeprazole (Prilosec, Prilosec OTC), lansoprazole (Prevacid, Prevacid 24HR), and ...