] For the 12 physics students at Stratford, the simple act
] is to remove the old batteries from a two-battery
] flashlight, install new batteries and turn the flashlight
] on.
]
] The overcomplicated part? Do it without the touch of
] human hands. In no less than 20 steps.
]
] The weeks of work to design and construct the device have
] been a revelation of how and why things work.

Finally, some good news!