Larry Langdon
Founder, Sentient Light · 30+ years engineering at Boeing, Intel, Microsoft · Inventor of the Sentient Element PEMF System
Larry Langdon is the founder of Sentient Light and the inventor of the Sentient Element, a clinic-grade pulsed electromagnetic field (PEMF) therapy system used by chiropractors, physiotherapists, and wellness clinics across the United States. He brings 30+ years of electrical and embedded engineering experience, including work at Boeing, National Semiconductor, Intel, Microsoft, and classified programs, along with contributions to early FDA-cleared cardiac and life-support technologies.
Engineering background
Larry holds a Bachelor of Science in Electrical Engineering and has spent more than three decades designing hardware, software, embedded systems, instrumentation, and product testing platforms. His professional work spans aerospace, semiconductor, and medical device industries, including projects at Boeing, National Semiconductor, Intel, and Microsoft. He has also contributed to classified engineering programs requiring high-level security clearance.
Among the medical technologies Larry contributed to during his career was one of the first FDA-cleared defibrillator designs, giving him direct experience with the engineering discipline, safety standards, and validation processes required for clinical-use electronic devices. This medical-device engineering foundation later informed the design philosophy behind the Sentient Element PEMF system.
Path into PEMF therapy
Larry's interest in pulsed electromagnetic field technology began after a tick bite during a hike in the Cascade foothills east of Seattle in 2000 led to persistent health challenges. After conventional approaches offered limited improvement, he explored emerging areas of nutrition science and non-invasive, energy-based wellness technologies.
At a small invitation-only seminar on food science, nutrition, and energy medicine, Larry was introduced to PEMF technology. Observing a multi-frequency demonstration, he saw clear physiological responses and recognized the engineering opportunity to build a system with greater precision, repeatability, and modern control. Drawing on his electrical engineering training and decades of hardware and software experience, he began designing and testing his own electromagnetic coil systems.
Early prototypes were inspired by experimental coil architectures, including designs commonly referred to as Doug Coil–style systems, but were re-engineered with a focus on safety, repeatability, and modern control methods. This work led to the development of the AmpCoil, an independently engineered system emphasizing disciplined design, programmability, and non-invasive operation. Continued research and engineering ultimately produced the Sentient Element, a more adaptable and integrated PEMF platform now used in clinical and home settings.
The Sentient Element PEMF system
The Sentient Element is a high-intensity PEMF therapy system designed and manufactured in the United States. It delivers up to 2,500 watts of peak output across a 7–10,000 Hz frequency range, with peak intensities reaching 10,000 gauss using focused coil applicators. The system is FDA-cleared as a wellness device and supports both targeted treatment with single or dual coil applicators and full-body sessions when paired with the Sentient Light PEMF mat.
Sentient Element technology was evaluated in a 12-week hospital-led clinical study at Apollo Hospitals examining its effects on early-stage knee osteoarthritis. Participants used the system in 1-hour sessions, 5 days per week, over 12 weeks. The published results documented measurable improvements in pain, mobility, and inflammation markers. The study has been indexed on ResearchGate and accepted for Scopus listing, and Medical News Today has recognized the Sentient Element for its frequency range performance.
Areas of expertise
- Pulsed electromagnetic field (PEMF) therapy device design
- Clinical-grade PEMF systems for chiropractic, physiotherapy, and spa applications
- High-intensity electromagnetic coil engineering
- Embedded systems and instrumentation
- FDA-cleared medical device development
- Hardware and software integration for therapeutic devices
- Frequency-specific waveform design (7–10,000 Hz range)
Recognition and publications
- Medical News Today — Recognized for "Best Frequency Ranges" in PEMF therapy machines
- ResearchGate — Co-author on published clinical study on PEMF therapy and articular cartilage
- Google Scholar — Indexing in progress
- Scopus — Accepted for academic listing
- Apollo Hospitals — 12-week hospital-led clinical study using the Sentient Element
Practitioner and athlete adoption
The Sentient Element has been adopted by practitioners and athletes across professional medicine, sports medicine, and integrative health. Thomas Incledon, PhD, a scientific advisor to Mayo Clinic and Cleveland Clinic, uses the system at Causenta Clinic to support recovery protocols. John Welbourn, NFL veteran and founder of Power Athlete, incorporates the Sentient Element into his training and recovery routines. The system is in active clinical use among chiropractors, physiotherapists, and wellness practitioners across the United States and internationally.
Articles by Larry Langdon
Connect
Larry can be reached through Sentient Light's offices in Hayden, Idaho.