Making computers interact with physical objects is a favorite of the HCI gurus out there, but these builds usually take the form of image recognition of barcodes or colors. Of course there are new ...

Nanotechnologists have succeeded in controlling the color of very small particles of iron oxide suspended in water simply by applying an external magnetic field to the solution. The discovery has ...

A researcher from the University of Essex has succeeded in inducing the experience of colour in the blind part of a partially sighted patient’s visual field. Using a magnetic coil to stimulate the ...