A printing technology used in high-speed page printers. Ion deposition is similar to laser printing, except instead of using light to create a charged image on a drum, it uses a printhead that ...

A rechargeable battery technology that offers advantages over lithium-ion. Sodium-ion batteries can be significantly less expensive because sodium (salt) is much more abundant and cheaper to extract ...

Ions move across cell membranes through either ion channels or ion pumps. Ions flow passively through ion channels, down electrical and concentration gradients, at speeds that can approach the ...