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Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →Uri Shumlak is the University of Washington fusion physicist and Zap Energy co-founder behind the headline. GeekWire recognized him in 2024 as one of its Seattle-region Uncommon Thinkers, honoring his work on a compact fusion concept and his role in turning university research into a company. The recognition was not a national scientific prize, a government award, or evidence that Zap Energy is already producing commercial electricity.
What recognition did Uri Shumlak receive?
GeekWire profiled Shumlak on November 12, 2024, as one of five regional innovators selected for its 2024 “Uncommon Thinkers” series. The honorees were scheduled to be recognized at the GeekWire Gala on December 12, 2024.
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In Shumlak’s case, the recognition reflected two connected accomplishments: his long-running plasma-physics research at the University of Washington and his work helping commercialize that research through Zap Energy, an Everett, Washington-based fusion startup.
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Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →It is also separate from a 2024 FACET Award for outstanding career guidance listed by the UW Flow Z-Pinch Lab. That award recognizes mentoring; GeekWire’s Uncommon Thinkers designation is a regional innovation profile.
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Who is Uri Shumlak?
Shumlak is a professor in the UW William E. Boeing Department of Aeronautics & Astronautics and an adjunct professor of Applied Mathematics. UW also lists him as associate chair for academics. His research includes fundamental plasma physics, computational plasma modeling, magnetic plasma confinement, fusion energy and advanced space propulsion.
He earned a bachelor’s degree from Texas A&M University and a doctorate from the University of California, Berkeley. UW lists him as a fellow of the American Physical Society, IEEE and the American Institute of Aeronautics and Astronautics. His UW faculty profile describes both his academic work and the flow-Z-pinch research that led to Zap Energy.
Why fusion interested him
Shumlak’s interest in energy began partly with events he witnessed growing up in Houston. The gasoline shortages associated with the 1970s oil embargo made energy insecurity tangible. The 1979 Three Mile Island accident also pushed him toward understanding nuclear energy rather than away from it.
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His early education focused primarily on nuclear engineering and fission. Fusion offered a different possibility: a potentially abundant, low-carbon source of energy based on combining light atomic nuclei. That promise is significant, but it remains a research and engineering challenge—not a guarantee that fusion will soon replace existing power sources.
How the Z-pinch approach works
Fusion requires plasma—an extremely hot, electrically charged gas—to reach conditions where atomic nuclei can fuse. The plasma must also be confined long enough for useful fusion reactions to occur.
A Z-pinch uses a powerful electrical current flowing along the plasma. That current creates its own magnetic field, which compresses and confines the plasma. The “Z” refers to the direction of the current in the device’s coordinate system.
The basic concept has a serious historical problem: plasma can develop instabilities. Two commonly discussed forms are “sausage” modes, in which the plasma narrows and bulges along its length, and “kink” modes, in which it bends. If those instabilities grow too quickly, the plasma can break apart before fusion conditions are maintained.
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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Shumlak’s work focuses on a sheared-flow-stabilized Z-pinch. In this configuration, plasma flows at different speeds across the plasma’s radius. That axial flow is intended to reduce the growth of the instabilities that have limited conventional Z-pinches.
The attraction is architectural. A successful Z-pinch system could avoid the large external magnets used by many magnetic-confinement designs and the powerful laser systems used in inertial-confinement fusion. That could make the central fusion device smaller and potentially easier to iterate. It would not make the complete power system simple: pulsed power, cooling, shielding, materials, maintenance and fuel handling would still be substantial engineering problems.
From UW research to a startup
The company story began with Shumlak, UW electrical-engineering professor Brian Nelson and other members of the university’s Z-pinch research effort. Their technology initially attracted interest for a possible semiconductor-lithography application because it could generate extreme-ultraviolet light.
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Shumlak and Nelson formed an earlier company, Zplasma, to pursue that opportunity. The venture eventually folded after it could not compete with a more established company. That failure is an important part of the story: the path from laboratory research to a commercial product was not direct.
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A later ARPA-E grant helped bring the researchers back into commercialization. Shumlak and Nelson partnered with entrepreneur Benj Conway to launch Zap Energy in 2017. The founding team’s reported roles were Shumlak as chief scientist, Nelson as chief technologist and Conway as chief executive.
The federal agency’s account of Zap’s history describes the company as emerging from the UW FuZE research team. The university’s commercialization office also places the effort in the broader context of moving publicly funded research toward private-sector development.
What Zap Energy is developing
Zap is developing compact fusion systems based on the sheared-flow-stabilized Z-pinch. Its experimental program has included:
- FuZE, short for Fusion Z-pinch Experiment, an experimental device used to study the approach.
- FuZE-Q, a next-generation system intended to advance the experimental program.
- Century, a higher-repetition-rate, liquid-metal-cooled test platform for technologies relevant to a future power plant.
On October 9, 2024, Zap announced that Century had begun operations and that the company had closed a $130 million funding round. The company said Century had demonstrated more than 1,000 consecutive plasmas in less than three hours and had operated with up to 100 kilowatts of input power. Those are company-reported development milestones, and input power to a test platform is not the same as fusion power output.
Century’s purpose is broader than proving a plasma shot. The platform is intended to help test integrated systems, including liquid-metal components and pulsed-power technologies. A liquid-metal blanket could eventually help absorb heat and protect internal components, although that concept would still have to meet demanding requirements for heat removal, shielding, materials durability and maintenance.
Why compact fusion is attractive—and difficult
Compared with very large magnetic-confinement or laser-fusion facilities, a compact pulsed system could offer a smaller physical footprint and potentially lower infrastructure requirements. A linear device may also allow researchers to modify and repeat experiments more quickly.
But compactness does not remove the fundamental challenges. A practical fusion plant would need to:
- Maintain stable plasma conditions while scaling the device.
- Operate repeatedly at commercially useful rates.
- Manage electrode erosion and plasma-facing materials.
- Capture fusion heat efficiently.
- Protect components from high-energy neutrons and radiation damage.
- Develop a workable fuel cycle, particularly if deuterium-tritium fuel is used.
- Achieve acceptable cost, uptime and maintenance intervals.
- Meet applicable safety and regulatory requirements.
The Z-pinch approach also illustrates a central trade-off: using fewer large external magnets may simplify one part of the design, while making plasma stability the defining physics challenge.
What has been demonstrated—and what has not
Fusion milestones are easy to overstate because several different achievements are often described with similar language.
| Milestone | What it means |
|---|---|
| Fusion reactions or neutron production | The plasma has produced evidence of fusion reactions. |
| Plasma stability | The plasma remains controlled for a useful duration or under repeatable conditions. |
| Plasma breakeven | The fusion energy produced exceeds the energy delivered directly to the plasma. |
| Engineering breakeven | The facility produces more usable energy than the full system consumes. |
| Commercial fusion electricity | A plant produces reliable, economical electricity for customers over sustained operation. |
The available sources support describing Zap as a promising research-and-development effort. They do not establish that the company has achieved whole-system net energy, operates a grid-connected fusion plant or has commercially viable fusion electricity.
Private investment is also not proof of technical or economic success. Zap’s October 2024 announcement reported $130 million in new capital and more than $330 million in total funding at that time. Funding signals investor confidence and supports development; it is not revenue and does not guarantee a working power plant.
How Zap fits into fusion research
Zap’s concept is one route among several. Tokamaks use a toroidal chamber and strong magnetic fields. Stellarators use complex external magnet geometries. Inertial-confinement systems compress fuel capsules with powerful lasers or other drivers. Other private companies are pursuing magnetized-target fusion, field-reversed configurations and related pulsed systems.
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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsShumlak’s distinctive contribution is the attempt to use sheared plasma flow to stabilize a current-driven Z-pinch. The innovation is therefore not merely “a smaller reactor”; it is a proposed solution to a longstanding plasma-stability problem.
The significance of the honor
Shumlak’s recognition matters because it captures both sides of difficult scientific commercialization. He is a university researcher studying fundamental plasma behavior, a professor and mentor, and a founder helping translate that work into hardware and an operating company.
It also provides a useful reality check. A regional innovation honor can acknowledge an important idea, a strong research program and entrepreneurial persistence without declaring that the underlying technology has already solved fusion energy.
For now, Zap’s work should be understood as an effort to move from plasma experiments toward plant-relevant testing. Whether that path ultimately produces reliable and affordable electricity depends on technical results that remain to be demonstrated.
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