Roman concrete + quantum computing + healthier buildings

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December 10, 2025
Greetings! Here’s the latest from the MIT community.
 
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Roman Concrete
A preserved construction site in Pompeii has revealed new information about how ancient Romans produced concrete that endured for millennia. The concrete heals itself when cracked — “a dream process we want to translate into our modern materials,” says Associate Professor Admir Masic.
Top Headlines
Quantum computing reality check: What business needs to know now
Commercial quantum computing is now years, rather than decades, away. It’s time for business leaders to start tracking its evolution.
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Astrocyte diversity across space and time
A new atlas charts the diversity of an influential cell type in the brains of mice and marmosets.
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Building for performance in a climate-challenged world
For Professor Christoph Reinhart, data is the key to responsible stewardship of the built environment.
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#ThisisMIT
In the Media
MIT launches quantum initiative to tackle challenges in science, health care, national security // State House News Service
MIT is “taking a quantum leap,” with the launch of the new MIT Quantum Initiative (QMIT). “There isn’t a more important technological field right now than quantum with its enormous potential for impact on both fundamental research and practical problems,” said President Sally Kornbluth during the QMIT launch event. “QMIT will help us to ask the right questions, identify the most critical problems and create a roadmap for developing quantum solutions that are both transformative and accessible.” 
Verse
Blue, blue is the sea to-day,
         Warmly the light
    Sleeps on St. Andrews Bay--
         Blue, fringed with white.

    That’s no December sky!
         Surely ’tis June
    Holds now her state on high,
         Queen of the noon.

    Only the tree-tops bare
         Crowning the hill,
    Clear-cut in perfect air,
         Warn us that still

     Winter, the aged chief,
         Mighty in power,
    Exiles the tender leaf,
         Exiles the flower.

    Is there a heart to-day,
         A heart that grieves
    For flowers that fade away,
         For fallen leaves?

    Oh, not in leaves or flowers
         Endures the charm
    That clothes those naked towers
         With love-light warm.

    O dear St. Andrews Bay,
         Winter or Spring
    Gives not nor takes away
         Memories that cling

     All round thy girdling reefs,
         That walk thy shore,
    Memories of joys and griefs
         Ours evermore.

—“A December Day” by Robert Fuller Murray
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