Each week, we bring you a quick and easy experiment you can do at home to explore a concept in science. This week, we’re ...

In this video, I demonstrate a science experiment where a candle stays lit underwater by using a cup filled with air. I break down how air occupies space and prevents the water from reaching the flame ...

The candle warms the air inside the glass, causing higher pressure. After the candle goes out (due to the oxygen being used) the air begins to cool. This cooling air creates lower pressure, creating a ...

Casting a swirling shadow, a glowing candle flame sways eerily before flaring up once more. As ghostly as it looks, this flame dance is not the result of any force—paranormal or otherwise—but rather ...