Word: thulium
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...scale back, saying, 'You'll never make it,' " Poindexter said in an interview with TIME last year. "But I thought I was very good, and nothing was beyond my capability." Poindexter plugged away and won a Ph.D. five years later. His thesis topic: "Electronic Shielding by Closed Shells in Thulium Compounds...
...several years, Bell scientists have been experimenting with thin wafers of crystalline materials known as orthoferrites, which are compounds of iron oxides and such rare-earth minerals as ytterbium, thulium and samarium-terbium. They found that when a strong enough magnetic field is applied, orthoferrites display an extraordinary property: tiny cylinder-shaped areas, or "bubbles," of magnetism are formed in the wafer, their polarity opposite to that of the surrounding material. Often smaller in diameter than a human hair, the magnetic bubbles can be maneuvered and positioned into an almost endless variety of patterns...
...Last week she announced Nos. 60, 61 and 62. the rare elements iridium (fountain pen points), osmium and thulium, found by Drs. Walter Albertson of M.I.T...
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