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Texas Petawatt Laser Shuts Down After Funding Cuts

4/18/2026

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Summary

Story summary

The Texas Petawatt laser (TPW) at the University of Texas-Austin, part of LaserNetUS funded by the Department of Energy, closed after cuts.
From 2020 to 2024, scientists used TPW within LaserNetUS to study materials, fusion energy, and cancer treatment.
A typical shot day involved aligning the laser and stabilizing the system.
The laser amplified a tiny light pulse to immense power, capable of creating a star in a vacuum chamber.

History

Historical Context

The development of the first laser by Theodore Maiman in 1970 marked a significant technological breakthrough, leading to over $1 billion in investments by the Department of Energy in laser research. This funding has supported advancements like the Texas Petawatt laser, crucial for fusion energy and cancer treatment. The recent closure of TPW highlights the ongoing challenges in securing financial support for vital scientific research.

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Story summary

The Texas Petawatt laser (TPW) at the University of Texas-Austin, part of LaserNetUS funded by the Department of Energy, closed after cuts.
From 2020 to 2024, scientists used TPW within LaserNetUS to study materials, fusion energy, and cancer treatment.
A typical shot day involved aligning the laser and stabilizing the system.
The laser amplified a tiny light pulse to immense power, capable of creating a star in a vacuum chamber.

1 / 2