11. The reverse polarity of the clays points to an age greater than 700 ka, thus Pre-Illinoian. 12. A later discovery was of the reversed polarity in sunspots of the new solar cycle of 1912. 13. It has tightly packed columnar cells which display reversed polarity and may monitor the osmolarity of blood. 14. On Digikey in the diode section, what does the " schottky, reverse polarity " diode type stand for? 15. In 1993, at the age of 14, he joined the band Slam, later to be called Reverse Polarity . 16. While'alive', Russell's skin cells appeared normal; after death, the particle analyser shows their atomic structure is changing, reversing polarity . 17. This rifting created a broad system of half grabens that reverse polarity along NNE-SSW and N-S trending normal faults. 18. The pockets would move around and slowly grow until eventually more area had the reverse polarity than the normal polarity. 19. If the data indicate that the North Magnetic Pole were near the South Rotational Pole, the strata would exhibit reversed polarity . 20. For the case of BPSK for example, the laser transmits the field unchanged for binary'1', and with reverse polarity for'0 '.