Fun Solstice fact:

Earth is currently much closer to the sun than during the summer (more than 3 million miles closer). So even though today is the coldest, darkest day of the year here in the Northern Hemisphere, you are actually much closer to the sun.

Moral of the story:
Axial tilt is the reason for the season!

I lead a group in technologies at a US national lab. My background is in quantum , but these days I spend my time primarily thinking about things like , , , , and .

I am also an Ambassador for Optica (formerly the Optical Society or OSA). In my role as Optica Ambassador, I engage in outreach and mentorship to students and early career professionals within the optics and photonics community.

Me as a comic:

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