Abstract: Intravitreal injection is an essential operation of treating ophthalmic diseases, in which an injection needle pierces the sclera and then injects therapeutic agent into the vitreous cavity.

Abstract: Wire-driven robots have wide applications. The structure of the driver is simple but bulky, with too many motors and no tensioning mechanism. A driver for a dual-wire coaxial wire-driven ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

An illustration of a magnifying glass. An illustration of a magnifying glass.