Photos of Snowflakes Like You've Never Seen Them Before - The New York Times - 0 views
-
Sextillions of snowflakes fell from the sky this winter. That’s billions of trillions of them, now mostly melted away as spring approaches.
-
“How do snowflakes form?” Dr. Libbrecht said during an online talk on Feb. 23 that was hosted by the Bruce Museum in Greenwich, Conn. “And how do these structures appear — and just, as I like to say, literally out of thin air?”
-
The “damn thing” was the camera system for photographing snowflakes. He wanted to use the best digital sensors, ones that captured a million pixels. “The real snowflake is very, very fragile,” he said. “It’s super intricate. So you want high resolution.”
- ...4 more annotations...
-
Dr. Myhrvold also found a special LED, manufactured by a company in Japan for industrial uses, that would emit bursts of light 1/1,000th as long as a typical camera flash. This minimizes heat emitted from the flash, which might melt the snowflake a bit.
-
Water is a simple molecule consisting of two hydrogen atoms and one oxygen. When temperatures drop below 32 degrees Fahrenheit, the molecules start sticking to one another — that is, they freeze.
-
“Because it has this complicated path through the clouds, it gives a complicated shape,” Dr. Libbrecht said. “They’re all following different paths, and so each one looks a little different, depending on the path.”
-
To counter Dr. Myhrvold’s claims, Mr. Komarechka took an image that he says was even higher resolution. Dr. Myhrvold responded with a lengthy rebuttal explaining why his images were, nonetheless, more detailed.