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Posted

Fun fact I learned in an acoustics class at UT:  temperature inversions are often the reason one can hear much more distant sounds at night.  The temperature gradient causes sound waves to bend back towards the earth, as opposed to bending upwards during the day.

Thank you for coming to my TED talk.

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Posted
44 minutes ago, jimmyjazz said:

Fun fact I learned in an acoustics class at UT:  temperature inversions are often the reason one can hear much more distant sounds at night.  The temperature gradient causes sound waves to bend back towards the earth, as opposed to bending upwards during the day.

Thank you for coming to my TED talk.

revenge of the nerds 80s GIF

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Posted
1 hour ago, jimmyjazz said:

Fun fact I learned in an acoustics class at UT:  temperature inversions are often the reason one can hear much more distant sounds at night.  The temperature gradient causes sound waves to bend back towards the earth, as opposed to bending upwards during the day.

Thank you for coming to my TED talk.

 

Cold air above and hot air below?

Posted
26 minutes ago, Bevo said:

 

Cold air above and hot air below?

Can't remember which way it goes day/night, it was a pretty boring topic.  (Not acoustics, that was my emphasis, but I didn't care about atmospheric shit.)

Posted
5 hours ago, jimmyjazz said:

Fun fact I learned in an acoustics class at UT:  temperature inversions are often the reason one can hear much more distant sounds at night.  The temperature gradient causes sound waves to bend back towards the earth, as opposed to bending upwards during the day.

Thank you for coming to my TED talk.

It'll also cause airborne radiation monitors to alarm.

Posted
46 minutes ago, Schulz2.0 said:

It'll also cause airborne radiation monitors to alarm.

Haha. The first thing I thought of when I heard temperature inversion.

Were you at Ballstan Spa?

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Posted
35 minutes ago, blacklab said:

Haha. The first thing I thought of when I heard temperature inversion.

Were you at Ballstan Spa?

Yep. Then my wife spent another 4 years there as an instructor.

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