When the process is complete, the flower-shaped array covers a 4-cm (1.6-in) wide area of the brain's cortex, even though it went through a hole just half that size.

An electrode inspired by soft robotics could provide less invasive brain-machine ... The implant Lacour and her colleagues built is instead inserted through a much smaller hole in the skull.

Brain Monitor Enters Hole in Skull, Deploys Flower-Shaped Electrodes It penetrates the skull...then unfolds like a flower. 5.12.23, 5:18 PM EDT / Sharon Adarlo ...

This has enabled now to express the potentials of standard reference electrodes in terms of the absolute values. Nature Precedings - Absolute Potentials of Standard Reference Electrodes at 25 C.

Thicker battery electrodes pack in more active materials, promising higher energy density. However, when it comes to ...

During the operation, a circular hole was cut in 29-year-old American Noland Arbaugh’s skull, ... “The current device has 64 threads with 16 electrodes on each thread,” said Musk.