Silicon To Software
by Imran Valiani
Welcome to Silicon to Software, the podcast covering PCB manufacturing, AI infrastructure, hardware, and cybersecurity. Hosted by Imran Valiani, an industry insider with 20+ years of experience in PCB electronics manufacturing and technical sales serving major Bay Area and global tech clients. This show explores the deep hardware layer that makes AI, autonomous systems, and modern technology actually work—the circuit boards, chips, and supply chains that most tech writers never see up close. Subscribe for expert technical teardowns on everything from autonomous vehicle vulnerabilities to the future of silicon compute. 🌐 Read our latest articles and get in touch at https://silicontosoftware.com
Episodes
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Glass Substrates for AI Chips: Why Mass Production Keeps Slipping
Every high-end AI processor sits on a package substrate — a tiny, dense wiring board connecting the chip to the motherboard. For decades its core has been organic, a woven glass-fiber laminate. AI packages are getting huge, and at that size a familiar problem gets loud: warpage. In this episode…
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NVIDIA 800V DC: The Power Problem It Doesn't Solve
A one-megawatt AI rack fed at 54 volts has to pull about 18,500 amps. At 800 volts, the same rack draws about 1,250. NVIDIA estimates a 54-volt megawatt rack would need up to 200 kilograms of copper busbar, and its power shelves alone would eat up to 64 rack units. In this episode: - Why rack…
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Neuralink Mass Production: Can Its Brain Implants Really Scale?
Can Neuralink actually mass-produce brain implants? On Dec 31, 2025, Elon Musk posted that Neuralink would start high-volume production in 2026, with surgery becoming almost entirely automated. That was a plan, not a production report. Texas filings show investment in office and manufacturing…
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Sodium-Ion Batteries: Why CATL Bet $5 Billion on the Chemistry That Killed a Startup
A California battery startup had working cells, customers, and a billion-dollar gigafactory announcement — then shut down in September 2025. Months later, CATL, the biggest battery maker on the planet, bet $5 billion on the exact same chemistry. Same chemistry, opposite bets. So who's right? In...
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Tesla AI5 Chip: Why Samsung and TSMC Make It So Complicated
Tesla AI5 could be manufactured by Samsung and TSMC. But how can two different chip implementations run the same AI software? We break down Tesla AI5 chip manufacturing, semiconductor design, PCB power delivery, thermal management, and the hidden engineering costs of dual-foundry production....
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Face ID vs Fingerprint Sensors: How They Really Work
How does Face ID recognize your face, and how do fingerprint sensors actually work? Discover the infrared, ultrasonic, optical, and capacitive technology behind smartphone biometric authentication. From Apple's Face ID and Touch ID to Google's Pixel 8, we examine the engineering behind biometric...
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SSD Lifespan Explained: Why Every Write Wears Out Your Drive
Your SSD wears out every time you save a file. But how long do SSDs actually last, and what happens when they reach their write endurance limit? In this episode of Silicon to Software, Imran Valiani explains the engineering behind SSD lifespan, NAND flash wear, write amplification, and the...
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Smartwatch Heart Rate Accuracy: Why Your Watch Gets It Wrong
Your smartwatch measures heart rate using light — but the number on your wrist is not a direct measurement of your heartbeat. In this episode of Silicon to Software, I break down how optical PPG heart-rate sensing actually works, from green LEDs and photodiodes to analog front-end electronics,...
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USB-C Explained: Why Every Port Is Different
USB-C ports look identical—but charging speed, data bandwidth, video support, and cable capability can be completely different. Here’s the engineering behind USB-C, USB Power Delivery, USB4, Thunderbolt, e-marker chips, and the PCB itself. USB-C was supposed to make connectivity simpler. The...
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Active Noise Cancellation: How Your Headphones Fight Sound
Active Noise Cancellation (ANC) doesn’t block noise—it generates another sound wave designed to cancel it. But making that work requires microphones, DSP, acoustic modeling, and extremely tight timing. Here’s how noise-canceling headphones actually fight sound with sound—and why even the best ANC...
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200MP Camera: Why Your Phone Actually Shoots at 12.5MP
A 200MP camera can give you a ~12.5MP photo. Here’s what actually determines smartphone camera quality — and why megapixels alone don’t tell you much. We break down pixel binning, CMOS image sensors, sensor size, stacked architecture, OIS, optics, and computational photography. A 200MP smartphone...
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Why Your Phone Gets Hot While Charging
Why does your phone get hot while charging? The answer goes far beyond the battery. Fast charging creates losses through the USB-C cable, charger IC, power conversion stages, and lithium-ion cell—and wattage alone doesn't tell you how much heat you'll get. In this episode of Silicon to Software,...
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AI PC Explained: What Does the NPU Actually Do?
AI PCs are everywhere—but what does the NPU actually do, and what does a 40, 50, or 80+ TOPS rating really tell you? We break down AI PC hardware, NPU performance, TOPS, memory bandwidth, Copilot+ PCs, and the engineering behind on-device AI. Every major Windows AI PC platform now puts dedicated…
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Semiconductor Manufacturing: Why US Chip Fabs Aren't Enough
Semiconductor manufacturing doesn't end when a wafer leaves the fab. U.S. chip fabs solve only one part of a much larger electronics supply chain. Here's why substrates, advanced packaging, PCB manufacturing, assembly, and production yield may determine whether semiconductor reshoring actually...
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Co-Packaged Optics: Why 224G Is Pushing Copper to Its Limits
Co-packaged optics could change how AI data centers move enormous amounts of data—but 224G PAM4 is exposing the limits of long electrical interconnects. Here's why copper's efficient reach is shrinking, how silicon photonics changes the architecture, and why packaging may become the next...
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Advanced Packaging: The Hidden Bottleneck Behind AI Chips
Advanced packaging and chiplets are reshaping AI chips—but manufacturing the package may be harder than building the silicon. Here’s why substrates, 2.5D and 3D packaging, yield, warpage, and capacity could determine which next-generation AI hardware actually ships. As semiconductor scaling…
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TSMC Arizona: The $265B AI Chip Bottleneck Nobody Sees
TSMC Arizona is becoming a $265B semiconductor manufacturing powerhouse—but the AI chip bottleneck isn't just inside the wafer fab. CoWoS advanced packaging, HBM integration, IC substrates and ABF supply could determine how quickly the next generation of AI hardware actually ships. TSMC's massive...
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Autonomous Cargo Ships: The Hardware Behind Crewless Shipping
Autonomous cargo ships are already carrying real freight—but AI alone can't safely operate a ship. Here's the hardware behind autonomous shipping: radar, LiDAR, edge computing, embedded systems, cybersecurity, and redundant controls. Autonomous cargo ships are moving from experimental technology...
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Smart Glasses Could Replace Smartphones—Here’s What’s Stopping Them
Smart glasses could eventually replace smartphones—but batteries, heat, optics, and packaging still stand in the way. We break down the real engineering behind AI glasses, from optical waveguides and edge AI processors to thermal management and semiconductor packaging. Smart glasses have been...
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AI Data Center Cooling: The 142kW Rack Problem Nobody Can Ignore
AI data center cooling is becoming a physical limit on AI growth as next-generation GPU racks push toward 142kW of power. Why can't conventional air cooling keep up — and can liquid cooling solve the thermal problem? In this episode of Silicon to Software, Imran Valiani examines the engineering...
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Solid-State Batteries: Why They Still Can't Scale
Solid-state batteries promise to transform EVs. So why aren't they already powering millions of electric cars? The biggest obstacle may not be the battery chemistry anymore—it's manufacturing them reliably at automotive scale. Solid-state batteries could deliver higher energy density, improved...
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Counterfeit Chips: How Fake ICs Enter Your Electronics
Counterfeit semiconductor chips can look genuine, pass basic testing, and still create serious reliability risks inside real electronics. Here's how fake ICs enter the semiconductor supply chain—and how engineers actually detect them. Counterfeit chips aren't always crude copies. Some are genuine...
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Neuromorphic Chips: Can They Solve AI's Energy Crisis?
AI's energy crisis is becoming a hardware problem. Could neuromorphic chips help AI scale without consuming enormous amounts of electricity? Discover how brain-inspired computing, spiking neural networks, Intel Loihi 2, IBM NorthPole, and other emerging AI hardware could change the future of...
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Smart City Hardware: 6 Layers Turning Cities Into Computers
Smart city hardware is quietly turning modern cities into giant distributed computers. But what actually sits behind the AI cameras, IoT sensors, 5G networks and intelligent infrastructure? In this episode of Silicon to Software, Imran Valiani breaks down the six physical hardware layers making...
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Neuralink Brain Chip: How the Hardware Actually Works
Neuralink's brain chip uses 1,024 electrodes, microscopic neural threads and custom silicon to turn brain activity into computer commands. Here's how the Neuralink N1 implant actually works—and the engineering problems most explanations leave out. Neuralink's brain-computer interface isn't simply...
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Edge AI Chips: Why AI Is Moving Off the Cloud
Edge AI chips are moving artificial intelligence out of the cloud and directly onto devices. But the real reason isn't hype — it's latency, bandwidth, privacy, power, and engineering reality. In this episode of Silicon to Software, discover how edge AI hardware, NPUs, TinyML, and on-device AI are...
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AI Data Centers Are Bringing Nuclear Power Back
AI data centers are consuming so much electricity that Big Tech is turning to nuclear power. Microsoft, Google, Amazon, and Meta are making nuclear moves as AI energy demand reshapes the global power grid. Artificial intelligence may be a software revolution, but underneath every AI model is an...
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Submarine Cables: 95% of the Internet Runs Under the Ocean
Submarine cables carry more than 95% of international internet traffic—and most people have no idea they exist. Discover the hidden infrastructure powering cloud computing, AI, global finance, and modern communications. What happens if one of these cables fails? In this episode of Silicon to...
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Implantable Medical Devices Explained | AI Healthcare, Brain-Computer Interfaces & Biosensors
What if the next breakthrough in healthcare isn't a new drug—but a circuit board smaller than your fingernail? In this episode of Silicon to Software, Imran Valiani explores the engineering behind implantable medical devices (IMDs), including pacemakers, neurostimulators, biosensors…
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How AI Is Transforming Modern Cars | Autonomous Driving, EV Technology & PCB Engineering
Modern cars have evolved into AI-powered computers on wheels. Behind every autonomous driving feature, electric vehicle, and over-the-air software update is an advanced hardware platform built on high-performance PCB engineering, AI processors, battery management systems, and automotive...
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Why Satellite PCBs Fail in Space | Radiation Hardening & Space Electronics
Why do ordinary PCBs fail in space while others continue operating for years? In this episode of Silicon to Software, Imran Valiani explains the engineering realities behind designing printed circuit boards for satellites and spacecraft. You'll learn: • How cosmic radiation damages semiconductor...
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Why the Next Industrial Revolution Could Start 250 Miles Above Earth | Space Manufacturing, Orbital Factories, AI Automation & The Future of the Space Economy
Could the next industrial revolution happen in space instead of on Earth? In this episode of Silicon to Software, host Imran Valiani explores how orbital manufacturing, microgravity, and AI-powered automation are transforming the future of industrial production. From pharmaceutical manufacturing...
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Tesla Optimus vs Reality: The Hardware Problem
Humanoid robots are moving from research labs to real factory floors, but the biggest challenge isn't artificial intelligence—it's hardware reliability. In this episode of Silicon to Software, Imran Valiani examines the real engineering challenges behind Tesla Optimus, Figure AI, and Boston...
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Why Embedded Hardware Can't Survive Quantum Computing | The Hidden Post-Quantum Cryptography Crisis
What happens when quantum computers can break today's encryption—but your hardware can't be upgraded? In this episode of the Silicon to Software Podcast, Imran Valiani explores one of the biggest hidden challenges facing embedded systems, semiconductor design, and cybersecurity: post-quantum...
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Episode 3 | The Quantum Computer Is Coming: Why Today's Encryption Could Soon Be Useless | Quantum Computing, RSA, Bitcoin, Cybersecurity & Post-Quantum Cryptography Explained
Episode 3: The Quantum Computer Is Coming: Why Today's Encryption Could Soon Be Useless What happens when the computers of tomorrow can break the encryption protecting the internet today? In this episode of the Silicon to Software Podcast, we explore one of the biggest technology shifts of the…
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Self-Driving Cars Have a Hardware Security Problem Nobody Wants to Talk About
Episode 2 | Silicon to Software Podcast What if the biggest cybersecurity risk in self-driving cars isn't the software—but the hardware? In this episode, we explore the hidden security challenges inside autonomous vehicles, including Electronic Control Units (ECUs), CAN bus networks, LiDAR…
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Why Tesla Gets Hacked Every Year at Pwn2Own
Tesla Gets Hacked Every Year at Pwn2Own. The Reason Should Worry Every EV Owner. Most people think electric vehicle cybersecurity is a software problem. It isn't. In this episode of Silicon to Software, we explore why modern EV security begins with hardware. Using real-world research from Tesla's...
About this show
Welcome to Silicon to Software, the podcast covering PCB manufacturing, AI infrastructure, hardware, and cybersecurity. Hosted by Imran Valiani, an industry insider with 20+ years of experience in PCB electronics manufacturing and technical sales serving major Bay Area and global tech clients. This show explores the deep hardware layer that makes AI, autonomous systems, and modern technology actually work—the circuit boards, chips, and supply chains that most tech writers never see up close. Subscribe for expert technical teardowns on everything from autonomous vehicle vulnerabilities to the future of silicon compute.
🌐 Read our latest articles and get in touch at https://silicontosoftware.com
Hosted by
Imran Valiani
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