จำนวน 1 ความเห็น, หน้า่ | -1-

ความเห็นเพิ่มเติมที่ 1 6 ก.พ. 2551 (15:47)
<SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">Infrared radiation is a form of electromagnetic energy that is generated by the vibration and rotation of atoms and molecules within all objects with temperatures above absolute zero (0&ordm; Kelvin; -459&ordm; F; or -273&ordm; C). </SPAN>