The Casablanca-born goldsmith specializes in granulation (forming metal into tiny spheres and fusing them to a surface); intricate "Afro-Celtic" patterns; and exotic stones such as andradite garnets, opals that she herself mined in Nevada, and pearls she pulled from the Sea of Cortez.
When grad student Rob Deegan videotaped a solution of tiny spheres in distilled water, they observed the spheres travel and accumulate into a ring, just as predicted.
When they placed an assortment of tiny spheres in the bath and vibrated the whole assembly so that water sloshed back and forth through the wafer, they saw the spheres spontaneously separate by size, they report in the 3 July issue of Nature.
Close up, it saw tiny spheres embedded in the rocks, similar in appearance to iron-rich spheres nicknamed "blueberries" that the rover had observed earlier.
Some proteins like the red patches of SNAP25 visible in the video at 0 14 aid in the release of vesicles, tiny spheres full of neurotransmitters.
McDevitt and Anslyn had developed tiny spheres, or beads, in which they embedded sensors that change color in the presence of certain liquids.
Placing tiny spheres of silicon in reflective trays could be the key to cheap, efficient solar cells.
In particular, they have worked out how to produce the display itself, by sandwiching tiny spheres that change colour in response to an electric charge inside thin sheets of flexible, transparent plastic.
