microwave ovens

"In 1945, invisible waves such as radio waves and microwaves had already changed the world. As World War II raged on, microwaves were an important tool for the Allied war effort as they were used to spot incoming enemy airplanes and ships. Today microwaves are now part of daily life on a much smaller scale. Instead of watching movement, the energy of microwaves is used to heat up your favorite meals and leftovers, quickly, at any time, with the push of a few buttons"--Provided bypublisher.

Looks at how microwave ovens work.

Provides a brief biography of Percy Spencer who invented the microwave. Describes his early life, his contributions to World War II, and his invention of the microwave. Includes a timeline, tips for inventing a new product, a glossary, and further resources.

"Did you know the microwave oven was actually invented by mistake? That mistake led to the technology that has made cooking faster, more convenient, and more popular than conventional cooking. This book addresses the differences between a standard oven and a microwave oven. So, pop in a snack, set the timer, and in a few seconds you'll be ready to enjoy! This book will allow students to plan and conduct an investigation to determine the effect of placing objects made with different materials in the path of a beam of light"--Back cover.

"Read about Percy's early life, his work with radar tubes, and find out how he invented the mircrowave"--Provided by publisher.

Provides instructions for making over 80 craft projects using a microwave, such as the microwave drying of flowers and fruits.