Hard problems, worked from first principles.
SpaceQuanta works with companies, research institutions and inventors on problems that need scientific depth.
R&D capabilities
Quantum computing feasibility
Is a quantum approach realistic for your problem, and where does a classical method win? Feasibility studies and Qiskit-based prototyping.
Quantum error correction and software
Working knowledge of quantum error correction and quantum software development for research and prototype stages.
Mathematical modeling of complex systems
Nonlinear dynamical systems modeling for research and engineering applications.
Physics-based analysis
First-principles checks of algorithms, designs and technical claims, with the assumptions made explicit.
Hybrid quantum-classical optimization
Optimization for large-scale routing and dispatch problems, combining classical and quantum methods where it helps.
Sensing and instrumentation prototypes
Low-cost Raspberry Pi based measurement, logging and motion-sensing systems, from design to data analysis.
Editing, writing and technical analysis
Support for research and technical work: careful scientific editing, technical writing, and analysis.
Fundamental research partnerships
Partner with us on fundamental research in quantum systems and nonlinear dynamics. We also run our own research in quantum gravity, quantum information and cosmology.
What we work with
PythonQiskitSageMathCadabraLaTeXFreeCADBlenderRaspberry PiLinux command lineGenerative AI toolsRequirements building and management
Honest assessment
We tell you when a problem is not a fit for us, and when a solution is or is not feasible. No overselling. Work is fast and confidential.
How an engagement works
1. Describe the problem
Write a few lines about the problem, the constraints and what a good result would be.
2. Fit and feasibility
We reply with an honest view: is it a fit for us, and is a solution feasible at all?
3. Investigate and build
We model the problem from first principles, analyze it, and develop a solution or prototype where that is the right output.
4. Report the result
You receive the findings, with assumptions and limits stated explicitly, together with the models, code or prototype that were agreed.
Questions we are often asked
What does SpaceQuanta Lab do?
SpaceQuanta Lab is an independent research and development lab in Devakottai, Tamil Nadu, India. It provides on-demand PhD physics and applied mathematics R&D for deep-tech teams: quantum computing feasibility studies, mathematical modeling of complex systems, physics-based analysis of algorithms and designs, hybrid quantum-classical optimization, and sensing and instrumentation prototypes. It also offers scientific editing and technical writing, and collaborates on fundamental research.
Who works on the projects?
Projects are led by PhD-level physicists with published research records. Dr. Natarajan Shriethar holds a Ph.D. in Physics (Alagappa University, 2020) and works on quantum gravity, quantum cosmology and nonlinear dynamics. See the team page.
Can you tell me whether a quantum approach is worth using for my problem?
Yes. A feasibility study asks whether a quantum approach is realistic for your problem and where a classical method wins. If the answer is that a classical method is better, or that the problem is not a fit for us, we say so.
How do I start a project?
Describe the problem in a few lines using the contact form or by email. We reply with an honest view on whether it is a fit and whether a solution is feasible.
Is my project kept confidential?
Engagements are handled confidentially. This is also why the Projects page shows our own research programs and prototypes rather than client work.
Do you draft or file patents for clients?
No. SpaceQuanta does not currently offer patent drafting or filing support. The patent filings listed on the Research page are our own work.
Where is the lab based?
Devakottai, Tamil Nadu, India. Please start with the contact form or email so we can understand the problem first.
Do you publish in Tamil?
Yes. There are eight Tamil popular-science books, regular Tamil articles and public talks, and the Paalveli and Paramaanu platforms. See Science in Tamil.
Where can I check the publications?
The Research page lists every journal article and preprint, with DOI or arXiv links where available, and links to Google Scholar and ResearchGate. Earlier papers are published under the name S. Natarajan; later ones under N. Shriethar. Both are the same researcher.
Have a hard problem?
Describe it in a few lines. We will tell you honestly whether it is a fit and whether a solution is feasible.