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Posts tagged oxygen

February 8, 2018

 

A small fire on a meadow

Sound Can Put Out Fires

There are small hand-held units that can put out smaller fires by using sound rather than chemicals.

January 31, 2018

 

clear ice in a glass on a yellow and blue background.

The Secret To Making Clear Ice Cubes

Do your ice cubes always come out cloudy with bubbles in the center? Here's how to fix that.

January 10, 2018

 

hot air balloon

Full of Hot Air?   

It's a gas! Air consists of nitrogen and oxygen and lots of empty space.

January 1, 2018

 

a bunch of people on an elevator

Lack Of Oxygen

Have you ever been in a crowded elevator and gotten anxious about having enough air to breathe if the elevator got stuck?

May 3, 2017

 

pink and purple dragonfly resting on a branch.

Ancient Birds Versus Giant Insects

Scientists have found fossilized remains of dragonflies with wingspans several feet in diameter.

March 16, 2017

 

Old mill engulfed in flames

What Is Fire?

Is fire a solid? A liquid? A gas? Or something else?

October 27, 2016

 

a collection of bananas, some with brown spots

When Good Bananas Go Bad

Have you ever wonder why bananas seem to go bad so quickly?

September 21, 2016

 

Blue fluorescent light sculpted into the shape of a human face

It’s Not Easy Being Blue

Turning blue in the face is easier said than done.

June 6, 2016

 

algae blooms

Dead Zones and Ocean Warming

Global warming is depleting oxygen in the water, creating and expanding "dead zones" toxic to sea life.

March 17, 2016

 

quilt

Making New Ozone

We can manufacture ozone molecules from oxygen, but not enough to patch up the ozone layer.

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