What the #$%& is lidar?

A lidar elevation map taken from an aircraft (courtesy Harris Corp. via SPAR 3D)

I was recently in touch with a writer friend of mine who lives in London. We’re both old enough that we emailed rather than Snapchatted or WhatsApped. I mentioned that I was writing a book about the history of lidar. He’s a wry type. He answered:

Yes, my first thought was “but surely there are already dozens of ‘definitive’ books on lidar?!?!”

My second thought was “what the eff is lidar and do i really need to read a whole book to find out?”

The email exchange went on to talk about England’s soccer fortunes and standard writerly quibbles about the editing process. But I couldn’t quite let those two sentences go. [more]

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