Supersymmetry by David Walton Page A

blunder in setting up the software—was more discouraging. She spent a few minutes looking at example views and verifying the seat numbers, but as far as she could tell, the software was doing what she intended.
    Her phone chimed, the sound of an incoming message. It chimed again, and then twice more. It continued to chime erratically, until the sounds came so quickly it sounded like an old-style telephone ring. What on Earth?
    She checked and saw that there were answers to her discussion board queries. Thousands of them. That didn’t make any sense; a lot of people used those boards, but not that many. She started browsing the responses, and realized that what she had written revealed the fact that she was investigating the stadium disaster. Of course. Word had spread as rapidly as it always did online, and now she was being bombarded, mostly with well-wishers and conspiracy nuts. She did a keyword search for the program name, and was able to find a few meaningful responses, one of which offered a patch she could use to cull out the false data. Another message was from someone called TheAngelG . The message read: Sandra! I see great minds think alike. Angel.
    All the messages made her nervous. She could easily get in trouble for interacting with the public about an ongoing investigation, especially one of this magnitude. What if a reporter found her query and jumped to conclusions, even assumed she was a detective? They’d bury her at a desk filing paperwork for the rest of her career.
    She applied the patch and checked her results again. No good. The lines were different, but just as chaotic. Could it be that seats had really been thrown in such random directions, with such different degrees of force?
    Something tickled at her brain. The lines were messy, but not entirely chaotic. She thought she could discern, just at the edge of her consciousness, a kind of pattern, some deep part of her brain recognizing something she couldn’t put into words. Or was it merely the human brain’s need to make sense of what it saw, like seeing shapes in the clouds?
    She turned off the eyejack display, and her old bedroom sprang back into view. She might not have the mathematics background to identify a pattern, if one existed, but she knew someone who did. She descended the stairs and found her father at the kitchen table with a mug of coffee.
    â€œDad,” she said. “I have something I want you to see.”

    An hour later, Sandra got bored and went to take a shower. Her father had become totally engrossed in the data, running it through all kinds of mathematical analysis engines. The vocabulary he used to describe what he was attempting might as well have been a different language, for all she could understand it. By the time he started mumbling under his breath about M-brane manifolds and preserved supersymmetries, she had lost patience.
    Clean, she put the same dusty uniform back on, not expecting to have time to get back to her own apartment for a fresh one. Her father was still in the kitchen, staring at the data. “Look at this,” he said. “We’ve been assuming the seats traveled in roughly straight lines, as viewed from above. Simple parabolic arcs, at any rate, from their point of origin.”
    She sat down next to him, and he shared his eyejack view with her, so she could see the same thing he was looking at. She made his view a transparent overlay on her vision, so she could still see him and the room around her. “How else would they travel?” she said. “Without energy added mid-flight . . .” She trailed off. “Of course. If multiple blasts went off at slightly different times.”
    â€œThat’s one possibility.” Her father was still working with the data, causing equations to fly across her vision in dizzying variety. “But I’m not finding any multiple-source solutions that work for all these paths.”
    A thought struck her,