The Hardware Podcast with Fexingo: Chips, Devices, and Electronics Engineering Conversations

In this episode, Lucas and Luna explore how semiconductor companies are integrating miniature spectrometers directly onto chips, enabling real-time chemical analysis in everything from smartphones to medical diagnostics. They dive into the specific case of Viavi Solutions' micro-spectrometer technology, which measures just a few millimeters across but can identify materials by their spectral finge...

Episode 103 of The Hardware Podcast dives into the world of lab-on-chip diagnostics. Lucas and Luna explore how microfluidics are being integrated directly onto silicon chips to create portable, low-cost medical testing devices. They focus on a real-world case: a 2025 paper from MIT Lincoln Lab demonstrating an on-chip PCR machine that can detect COVID-19 variants in under 15 minutes from a single...

This episode dives into the growing role of on-chip pressure sensors in implantable medical devices. Lucas and Luna discuss how microelectromechanical systems (MEMS) pressure sensors are being integrated directly into silicon for applications like continuous intraocular pressure monitoring in glaucoma patients and smart cardiovascular stents. They examine the key engineering trade-offs: miniaturiz...

Episode 101 of The Hardware Podcast explores the cutting-edge integration of photonic transceivers directly onto silicon chips, bypassing traditional copper interconnects. Lucas and Luna break down the physics of silicon photonics, the manufacturing challenges at TSMC and Intel, and real-world applications from data centers to autonomous vehicles. They discuss the role of companies like Ayar Labs...

Episode 100 of The Hardware Podcast looks at a tiny but crucial innovation: on-chip gas sensors that detect CO2, volatile organic compounds, and more. Lucas and Luna explore how these sensors are being integrated into smartphones, smart home devices, and wearables, enabling real-time air quality monitoring. They discuss the underlying MEMS technology, the challenges of selectivity and power consum...

In this episode, Lucas and Luna explore the cutting-edge world of on-chip drug delivery systems used in implantable medical devices. They discuss how microelectromechanical systems (MEMS) technology enables precise, programmable release of therapeutic compounds directly at the site of need, reducing side effects and improving patient outcomes. The hosts examine a specific case study from MIT's Mic...

Episode 98 of The Hardware Podcast explores the latest in on-chip antennas for wireless interconnects—a technology that replaces traditional wired buses with millimeter-wave radio links inside a package. Lucas and Luna discuss how companies like Intel and Samsung are integrating tiny antennas onto silicon to reduce latency and power in multi-chip systems, with specific data on the 60 GHz band achi...

Episode 97 of The Hardware Podcast dives into a surprising trend in chip design: putting tiny MEMS mirrors directly onto silicon to create solid-state LiDAR. Lucas opens with the 2025 market projection of $2.5 billion for automotive LiDAR and explains how on-chip scanning mirrors eliminate bulky rotating assemblies. Luna asks about the manufacturing challenge of aligning mirrors to micron precisio...

Episode 96 of The Hardware Podcast explores a surprising new trend in semiconductor design: embedding tiny MEMS microphones directly onto chips. Lucas and Luna examine a real-world case from STMicroelectronics, whose latest sensor hub chip integrates a digital microphone alongside an accelerometer and gyroscope on a single die. They discuss how this shrinks the bill of materials for hearables and...

In this episode of The Hardware Podcast, Lucas and Luna dive into how chipmakers are embedding quantum dots directly onto silicon to create single-photon emitters. They explore a breakthrough from a joint research team at MIT and the University of Chicago published in Nature Photonics in early 2026, where indium arsenide quantum dots were grown on a silicon photonic chip, achieving over 99% single...

Episode 94 of The Hardware Podcast dives into the latest innovation in chip-level thermal management: on-chip piezoelectric fans. These tiny vibrating blades, just millimeters wide, can generate targeted airflow over hot spots without the bulk and noise of traditional fans. Lucas explains how researchers at Purdue and a startup called Frore Systems are using piezoelectric materials—the same stuff...

Episode 93 of The Hardware Podcast explores a critical but often overlooked component in modern chips: the on-chip optical clock. Lucas and Luna discuss how traditional quartz oscillators are reaching their limits as chip speeds increase, and how integrated photonics are enabling tiny, stable optical clocks that can synchronize billions of transistors with picosecond precision. They dive into the...

In this episode of The Hardware Podcast with Fexingo, Lucas and Luna explore a surprising new frontier in chip design: embedding tiny accelerometers directly onto silicon. These micro-electromechanical systems, or MEMS, are typically separate components, but chipmakers are now integrating them into the die itself. The hosts discuss how STMicroelectronics and Bosch are leading the charge, with appl...

Episode 91 of The Hardware Podcast explores how modern chips are embedding tiny temperature sensors directly on the die to prevent thermal runaway. Lucas and Luna break down a real case: how AMD's Ryzen 7000 series uses hundreds of on-chip thermal diodes to dynamically throttle performance and protect silicon. They discuss why traditional external thermocouples are too slow for today's power densi...

In Episode 90 of The Hardware Podcast, Lucas and Luna dive into the emerging technology of on-chip magnetic RAM (MRAM). They explain how a new generation of chips is integrating MRAM cells directly into the logic die, enabling non-volatile memory that retains data without power. The episode focuses on a specific case: the 2025 deployment by a major foundry of 12-nanometer embedded MRAM for automot...

Episode 89 explores how chipmakers are integrating tiny on-chip batteries directly into silicon to provide local energy storage for power-hungry applications like IoT sensors, medical implants, and edge AI devices. Lucas breaks down the technical challenge of building a battery on a chip — using solid-state electrolytes, thin-film deposition, and nanoscale electrodes — and why this could eliminate...

In this episode of The Hardware Podcast, Lucas and Luna explore how chip designers are embedding tiny capacitors directly into silicon to smooth out power delivery and reduce noise. They discuss the physics of decoupling capacitors, why traditional off-chip solutions are hitting limits at advanced nodes, and how on-chip deep-trench and metal-insulator-metal capacitors are enabling faster, more eff...

In this episode of The Hardware Podcast, Lucas and Luna explore how chipmakers are embedding Hall effect sensors directly onto silicon to measure magnetic fields at the microscale. They discuss the physics behind the Hall effect, the specific design challenges of integrating these sensors into CMOS processes, and a concrete example from an automotive electronics supplier that uses on-chip Hall sen...

In this episode of The Hardware Podcast, Lucas and Luna explore how chip designers are integrating tiny transformers directly onto silicon to solve power delivery challenges. As processors demand lower voltages and higher currents, traditional voltage regulator modules are becoming a bottleneck. On-chip transformers, fabricated using standard CMOS processes, can step down voltages with minimal los...

Episode 85 of The Hardware Podcast explores how semiconductor engineers are integrating miniature spectrometers directly onto chips, enabling real-time material identification from chemical analysis to food quality monitoring. Lucas and Luna examine the breakthrough at imec that shrinks a benchtop spectrometer to a few square millimeters, how on-chip spectral sensing could transform smartphone cam...

In this episode, Lucas and Luna explore how chip designers are embedding small neural networks directly onto silicon to dynamically manage power distribution. They discuss a specific case from a major semiconductor company that reduced power consumption by 25 percent in a mobile processor using an on-chip neural network that learns workload patterns in real time. The conversation covers the techni...

Episode 83 of The Hardware Podcast: Lucas and Luna dive into the emerging practice of runtime on-chip fault rerouting — where processors dynamically detect failing circuits and redirect signals through spare pathways without halting. They explore how companies like Intel and AMD are embedding self-healing logic into server chips, with specific data on Intel's recent patent for a 'runtime fault-tol...

Lucas and Luna dive into the emerging trend of integrating oscilloscope-like circuitry directly onto chips. They explore how on-chip debug tools are helping engineers catch timing errors and signal-integrity issues that external probes can't reach. The episode focuses on Intel's recent inclusion of a debug instrumentation block in their Meteor Lake SoC, discussing how it cuts bring-up time from we...

Episode 81 of The Hardware Podcast with Fexingo dives into on-chip microfluidic cooling—a technology that embeds tiny liquid channels directly into silicon to remove heat where it's generated. Lucas and Luna explore a concrete case: a 2025 demonstration by a major foundry where a 3D-stacked processor with embedded microfluidic channels reduced hotspot temperatures by over 60 degrees Celsius compar...

Episode 80 dives into on-chip optical interconnects—how silicon photonics is replacing copper wires with laser light to move data faster and cooler. Lucas and Luna unpack Intel's integrated laser breakthrough, the power savings at 50 gigabits per second, and why this matters for AI data centers by mid-2026. A concrete look at one fab's photonic roadmap and the engineering trade-offs between heat,...