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Short Wave

Lightning Protection: Lasers, Rockets or Rods?

Short Wave

NPR

News, Life Sciences, Daily News, Nature, Science, Astronomy

4.76.6K Ratings

🗓️ 10 February 2023

⏱️ 12 minutes

🧾️ Download transcript

Summary

Every year, lightning is estimated to cause up to 24,000 deaths globally. It starts forest fires, burns buildings and crops, and causes disruptive power outages. The best, most practical technology available to deflect lightning is the simple lightning rod, created by Benjamin Franklin more than 250 years ago. But lightning rods protect only a very limited area proportional to their height. So today's show, why a group of European researchers are hoping the 21 century upgrade is a high-powered laser. Plus: Regina makes incremental progress on conquering her irrational fear of lightning.

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Transcript

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0:00.0

You're listening to Shortwave from NPR.

0:05.0

Okay, confession time.

0:08.7

I love thunderstorms.

0:10.8

The sounds, the flashes of light, the ground rumbling.

0:14.5

I love all of this when I'm indoors.

0:17.3

But when I'm outside in the rain and seen lightning coming my way, I, a full grown adult,

0:23.4

become terrified and run into the nearest building.

0:25.9

I've been that way ever since I can remember.

0:29.2

In a really on-roar, a physicist at a coal-poly technique near Paris says he was the same

0:34.2

as a kid.

0:35.2

I think like many kids, I was at the same time scared and fascinated by the lightning and

0:42.1

thunder, by the big flash of light that you see and waiting for the sound to know if it's

0:50.0

far or if it's close.

0:51.6

My dog was always frightened by the lightning and shaking like this.

0:57.2

When lightning doesn't just scare dogs and kids, it has real world consequences outside

1:02.1

of raising our heartbeats.

1:04.3

Storms delay flights, lightning strike buildings and wind farms.

1:08.4

People get struck by lightning every year.

1:10.6

Between 2006 and 2021, 444 people in the United States died from a lightning strike.

1:17.9

A really on and his multi-national team are on a mission to draw lightning away from planes,

1:23.4

people and other precious objects.

1:26.0

When it turns out, despite a brief flirtation with rockets, scientists' starting point

...

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