A Moment of Science

Posts tagged heat energy

January 31, 2012

 

open refrigerator

Why Refrigerators Hum

How does the gas coolant that just chilled your fridge make the coils warm? The secret's in the refrigerator's hum.

January 30, 2012

 

refrigerator coils

The Rolling Boil That Cools Your Food

It sounds crazy, but household refrigerators keep food cold by bringing liquid fluorocarbon to a boil.

November 30, 2006

 

a bumble bee drinking nectar from a dark purple flower

Mmm…Hot Nectar

Find out the science behind what makes warm drinks so yummy and appealing.

September 27, 2003

 

A Cooler for the Sahara

Produce from family farm plots lasts much longer than before, meaning that families don’t need to send girls out every day to sell produce, but can send them to school instead.

September 27, 2003

 

As Happy As a Pig

Ever wonder why pigs roll in the mud? You’d never see a human doing that, unless of course they were mud wrestling.

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