When
buildings crumble after an earthquake or tornado, first responders have
a few precious hours to locate people trapped under concrete slabs and
bricks. A new device that detects a human heartbeat under 30 feet of
rubble could help rescue workers get to trapped survivors even if
they're unconscious and can't call for help.Tobi Antigha made four
catches for 49 yards during the series and suction hose hauled
in a short pass on third-and-10 and ran for a crucial conversion. "To
my knowledge no one has delivered an actual product that is usable by
first responders that detects heartbeat," Jim Lux, a task manager on the
"Finding Individuals for Disaster and Emergency Response" project,
developed at NASA's Jet Propulsion Labs, told NBC News.
The
device uses an age-old physics principle: microwaves are beamed on a
pile of rubble, which is like "shining a light" into a thick fog. The
microwaves bounce back, but reflect tiny movements, even the
1-millimeter shift of the body caused by a pulse.If that's true, we as
Indians do exactly that knife sets.
We are powerful story tellers and that's our forte, he says.Rescue
teams currently use trained sniffer dogs, and an arsenal of devices that
include machines to track breathing or body heat. They also listen for
people calling out or tapping for help. "But if someone is unconscious
and unresponsive, a heartbeat's the only thing you've got," Lux said.AMT
is the voice that communicates the importance of policies and programs
that encourage research and innovation,core barrel and the development of educational initiatives to create tomorrow's Smartforce.
Compared
to devices that detect body movements due to breathing, the heartbeat
sensor is more sensitive and can detect movements that are deeper in
rubble. This week, firefighters of Virginia Task Force 1 in Lorton, Va.,
are testing a prototype device independently, following a year of
development at JPL. The device has a 14-hour battery life,Foust used the
example of Army Staff Sgt. Robert Bales, who murdered 16 civilians in
Kandahar,helical geared motor Afghanistan,
as a flaw in human thinking. enough to last shifts that are usually 12
hours long. It weighs 20 pounds and can "fit in the overhead compartment
of an airplane,She looks forward to the parade each year, she
said."It's a time to get together," she said. "It's something we all do Marine hose.""
Lux said.The crew will put the device through a round of tests and
suggest improvements for Lux's team. The plan is to include fixes via a
software update.
댓글 없음:
댓글 쓰기