Very nice perspective to be taken away from this, and the lifetime of memories within.
The meteor striking the atmosphere over Siberia on February 15, 2013, was, of course, not the first such disaster to strike the region. In 1908, an asteroid struck Tunguska, Siberia, ramming into the earth with power 1,000 times that of the atomic bomb that destroyed Hiroshima. My grandfather, Werner Wehlen, saw that explosion when he was twelve years old on his parents’ farm near Sundsvall, Sweden. Only when he was 83 years old, after he had immigrated to the United States and settled in the Midwest, did he learn what it was he had witnessed that summer day 70 years before.
As he told his story in his lilting accent, “Last week I went to a lecture given at the University of Chicago given by a famous astronomer from Harvard. He told about a new theory they have now; that a tiny particle of antimatter–something very dense but very…
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