"Edward M. Lerner - Grandpa" - читать интересную книгу автора (Lerner Edward M)

The young man was not enrolled in the Introduction to Physics class, yet he looked somehow familiar to
Thaddeus. Perhaps it was the angle at which he cocked his head, or the shock of bright red hair, or the
piercing green eyes. In a rush ofpresque vu , Thaddeus recognized a version of himself.
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The modernistic handgun with its (laser?) sight, the anachronistic clothes, the look of fanaticism ... it
suddenly all clicked. “My grandson, I presume.”

His visitor nodded.

“It can't be done.Something must cause such an attempt to fail.” His spine tingling despite his heartfelt
conviction, Thaddeus's eyes resumed their standard lecture-hall sweep. “Class, as I was saying...”

Two loud shots rang out almost as one. The noises released the students from their paralyzed shock. As
they wrestled his assailant to the floor, Thaddeus realized that the first shot had been the backfire of a
passing vehicle, and that the unexpected noise had startled his grandson enough to throw off his aim. A
hole in the chalkboard showed that causality had needed only inches of deviation to protect itself.

A soft “pop” emerged from the pile-up of students who had tackled the time traveler. The pile collapsed,
as if its central support had vanished. As confused students gradually untangled themselves, it became
clear that Thaddeus’ grandson had, in fact, disappeared.
****

Thaddeus’ early afternoon lecture started little different from his morning session. The hall was perhaps
slightly warmer; the music from the quad was now by the Everly Brothers. The fluorescent hum was
occasionally submerged by the buzz of students discussing the morning's excitement.

“Imagine that I had the technology with which to visit my grandfather in his youth. Once there, what is to
stop me from killing him before he'd had the opportunity to reproduce? But if I did succeed, who was it
who had traveled backward...”

A large pigeon chose that moment to fly through an open window into the hall. Its stately path abruptly
veered downward, and it thumped, flapping feebly, to the auditorium floor. Thaddeus had just noticed
what appeared to be the handle of large throwing knife when a mob of enraged students rushed the
returned, red-haired attacker.

Once more, the time traveler disappeared from the pile of bodies to the accompaniment of a pop.
****

Word of mouth had filled Thaddeus’ third lecture of the day to overflowing. The crowd warmed the hall
to an uncomfortable degree; expectant muttering masked any music that might have been playing on the
quad.

“Imagine that I had the technology with which to visit my grandfather in his youth. Once there, what is to
stop me from killing him before he'd had the opportunity to reproduce? But if I did succeed, who was it
who had traveled backward...”