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A block of electrolytically refined cobalt (99.9% purity) cut from a large plate. Cobalt is a ferromagnetic metal with a specific gravity of 8.9. The Curie temperature is 1,115 °C (2,039 °F) [10] and the magnetic moment is 1.6–1.7 Bohr magnetons per atom. [11] Cobalt has a relative permeability two-thirds that of iron. [12]
The NeXTcube is the successor to the original NeXT Computer, with a 68040 processor, a hard disk in place of the magneto-optical drive, and a floppy disk drive. NeXT offered a 68040 system board upgrade (and NeXTSTEP 2.0) for US$1,495 (equivalent to $3,490 in 2023).
In geometry, a hypercube is an n-dimensional analogue of a square (n = 2) and a cube (n = 3).It is a closed, compact, convex figure whose 1-skeleton consists of groups of opposite parallel line segments aligned in each of the space's dimensions, perpendicular to each other and of the same length.
Amy and Rory adjust to normal life without travelling with the Eleventh Doctor.One day, billions of small black cubes appear across the globe. The Doctor arrives and he, Amy and Rory are taken to UNIT headquarters, where UNIT's head, Kate Stewart, explains that they have not been able to analyse the cubes' function.
9-track tape is a format for magnetic-tape data storage, introduced with the IBM System/360 in 1964. The 1 ⁄ 2 inch (12.7 mm) wide magnetic tape media and reels have the same size as the earlier IBM 7-track format it replaced, but the new format has eight data tracks and one parity track for a total of nine parallel tracks.
Yak-9 on static display at the Museum of the Air Forces of the Northern Fleet in Safonovo, Murmansk Oblast. [29] Serbia. Yak-9P in storage at the Aeronautical Museum Belgrade in Surčin, Belgrade. [29] Ukraine. Yak-9 on static display at the National Museum of the History of Ukraine in the Second World War in Kyiv. [citation needed] United States