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Show LIGHTNING'S POWER TO DRILL. Will Pierce Through Rock Which Would Turn Cold Steel. "Lightning, when In the mood, hns nn ugly habit of drilling," writes nn English observer, according to the Philadelphia Record. "It will drill tho hardest rock rock which would turn cold aleel, nnd not only drill, but vitrify vit-rify It Thoy have found In Cumberland Cumber-land channels thirty feet deep and from two to four Uichcs In circumference circumfer-ence Tho Interior wns hard glazed where the solid substance had been melted by the stabbing flashes. Artl llclnl experiment has shown that a powerful nhock from n bnttcr will vllilf duel powdoioil glass, but not feldspar or quail. The lightning, however, does It In the nintinei described de-scribed not In one place, but hi many, showing that before btrlklng the ground It divided Into several branches, ench strong enough to penetrate pene-trate and liquefy the solid rock " |