NSF award 2550231 · University of Colorado at Boulder

POSE: Phase II: SceneryStack: An Open-Source Ecosystem for Scaling High-Quality, Multi-Modal Interactives for STEM Education and Beyond

Final report due

28 October 2028

in 740 days · The award ends on 30 June 2028.

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Decide about an extension2 Mar 2028in 500 days
award ending 2028-06-30 · Research.gov
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Extension request16 May 2028in 575 days
award ending 2028-06-30 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice20 Jun 2028in 610 days
award ending 2028-06-30 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Oct 2028in 740 days
award ending 2028-06-30 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Oct 2028in 740 days
award ending 2028-06-30 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Oct 2028in 740 days
award ending 2028-06-30 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 30 June 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 October 2028.

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Award card

Award number: 2550231
Period of support: 15 Jul 2026 – 30 Jun 2028
Amount: $1,500,000
Awardee: University of Colorado at Boulder, Boulder, CO
Program: POSE
Directorate: TIP

Abstract

The Web is rapidly evolving into a medium that is multimodal, data-rich, and increasingly shaped by advances in artificial intelligence (AI). Education and research communities are demanding tools that support interactive simulations, immersive learning, and multimodal collaboration, yet most frameworks remain limited in their input/output modes, structured data streams, and scalability. Realizing the Web's…

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