MY
HANDS HOLOGRAMMING THEMSELVES
led-lit
open aperture transmission
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MY
HANDS HOLOGRAMMING THEMSELVES is a hologram of the instant
my hands pushed the FIRE button on the controller to the
pulsed ruby laser, the only laser which emits light powerful
and fast enough to record a human.
The reason for this is because any
motion in the subject will muddle the electromagnetic
wavefront which emanates from the object; it must remain
undisturbed in order to be recorded. Because of a person's breath
and heartbeat, the light must be very bright and very
fast - 20 nanoseconds fast in this case, without even
time to blink.
The sketch at left is the inside of a pulsed laser, which
contains a flash tube and synthetic ruby crystals, internally
reflecting mirrors and a "Q-Switch" which sends
out the photons in one uniform pulse. For more
about lasers, see the STATEMENTS
section. |
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