But it was a clear glass bead on the bow of the left shoe that, for her, confirmed her initial reaction.

Reagents are automatically pipetted into the samples (blood or cultured cells); the samples are then mixed, incubated, and combined with a magnetic glass bead solution.

Among the performances, a glass bead representing the city and created by local artists will be unveiled.

The solar panels, which can also be glued onto cycle paths and car parks, are coated in a glass bead resin to give vehicles grip and prevent skidding.

Glass bead blast medium contains glass beads of various sizes.