Apr 282022

Air conditioner was patented by Willis Haviland Carrier in 1914. Idea: Children could research how air conditioners work, and they could find out if different types of coolant exist. Children can learn how an air conditioner works by viewing: https://www.youtube.com/watch?v=_lFUlA1PZ8U.

Share Button

 Leave a Reply

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>