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401020
From bats to-- radar [21st century skills innovation library. Innovations from nature]by Gregory, Josh 

BTSB Prebound(Cherry Lake, 2013)

BTSB #: 401020 Available

Dewey: 621.3848/NAges: 10-14   
AR: 7.3 MG Lexile: 1110

Subjects: Radar Bat sounds


Summary: When engineers were working on the problem of how to program guided missiles to hit their targets, they studied bats and implemented a strategy using parallel navigation.


6.50 *

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305514
Understanding and using microwaves [Electromagnetic Spectrum]by Eldridge, Alison 

BTSB Prebound(Enslow, 2022)

BTSB #: 305514 Available

Dewey: 537.5/NAges: 9-13   


Subjects: Microwaves Electromagnetic waves Radar


Summary: Gives readers a look into the discovery, history, and uses of microwave energy and how electromagnetic radiation is affecting us every day.


20.66 *

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