Scientists are experimenting with biological systems as a new medium for long-term data storage

Every few years, someone declares that we’re “running out of storage.” Scientists tend to respond the same way every time: Fine — we’ll just store data in glass… or DNA… or a living brain.

And no, they’re not joking.

Once you step outside the familiar world of silicon and NAND flash, data storage stops looking like chips and circuit boards and starts looking like something pulled from a biology lab, a physics experiment, or a science-fiction novel. What’s striking is that none of this is theoretical hand-waving. In one form or another, every idea you’re about to read has already been demonstrated in real labs—often working far better than intuition would suggest.

Let’s start with one of the least intuitive ideas that, once you sit with it, actually makes a lot of sense: DNA.

DNA already stores information. That’s literally its job. Every cell in your body carries a complete instruction manual for building you, written in a four-letter code. Scientists eventually realized that if biology can store that much information so densely and reliably, maybe we can piggyback on the same system.

By translating binary data into combinations of A, C, G, and T, researchers have already stored books, images, movies, and even entire operating systems inside synthetic DNA strands. The density is absurd. A single gram of DNA could theoretically hold hundreds of petabytes of data. Stored correctly, it could last thousands of years.

The catch, of course, is speed. Writing and reading DNA is slow and expensive, so this isn’t replacing your SSD anytime soon. But as a long-term archive, DNA starts to look less like a novelty and more like a biological vault.

Once you accept that molecules themselves can store data, proteins are the next logical step—and this is where things start getting strange.

Proteins don’t just sit there; they fold. The exact way a protein folds determines how it behaves, and in some cases, that folding can change in stable, repeatable ways. Scientists have engineered proteins that flip between multiple shapes, with each shape representing a different data state. In effect, a single molecule becomes a microscopic switch.

Cells already use this trick to “remember” past signals, so researchers are essentially hijacking biology’s own memory system. This idea isn’t even new. Nearly two decades ago, experiments were already showing how biological proteins could be used to store staggering amounts of data, long before “bio-storage” became a buzzword.

It works, but it’s fragile. Temperature, chemistry, and time all interfere. Still, the notion that information can be stored in the way a molecule curls up on itself is one of those ideas that tends to stick in your brain.

THE SMART TV USB PORT INTERVIEW

Structured like a late-night talk show, this article breaks down—plain and simple—why smart TV USB ports are locked down and what’s really going on behind the scenes.

GetUSB.info: Welcome back. Tonight’s guest is a man who has spent years smiling politely while customers yell at him in big-box parking lots. Please welcome… a senior executive from the smart TV industry. We’ll call him Mr Hollywood, because legal asked nicely.

Mr Hollywood: Happy to be here. And yes, my USB ports are… “selective.”

GetUSB.info: Selective is one word. People at home are calling it “locked down,” “crippled,” and “why does my $900 TV act like a nervous librarian?” Let’s start simple. Why do smart TVs restrict USB ports so you can only view pictures and certain videos through the TV’s media app?

Mr Hollywood: Because the moment we let that USB port behave like a general-purpose computer port, we turn a television into a permanently connected computer with a very large “attack surface.” And most people don’t realize their TV is basically a computer. It has an operating system. It has network access. It has background services. It has update mechanisms. It has apps. It has DRM modules. It’s sitting on your home network near your phones and laptops. It’s always on or semi-on. That’s a lot of opportunity for something to go wrong.

So we take a very pragmatic approach: if we can keep USB limited to a narrow set of use cases—photos, videos, maybe music—we drastically reduce the number of ways an attacker can poke at the TV. It’s not that we’re trying to make your life miserable. It’s that we’re trying to prevent the TV from becoming the easiest device in your home to compromise.

GetUSB.info: Okay, you said “attack surface.” For non-tech folks: explain it like you’re explaining it to your aunt, who still calls HDMI “the big USB.”

Mr Hollywood: Sure. Think of your TV like a house. Every feature is a door or a window. A simple TV has a few openings: power, maybe an antenna input, maybe HDMI. A smart TV has a lot more openings: Wi-Fi, Bluetooth, apps, a web browser, voice assistants, streaming clients, and yes—USB.

If we let USB do “everything,” we need the TV to safely handle every possible kind of drive, every possible folder structure, every possible file type, and every possible corrupted or malicious data situation. That means more code. More code means more bugs. More bugs means more chances that someone can create a file or a drive that triggers a crash or, worse, lets them run their own code on the TV.

Now, if we narrow USB down to “the TV will only read media files in a controlled way,” we can build a simpler, safer pathway. That pathway might still have flaws, but it’s a smaller surface area. Fewer doors and windows.

GetUSB.info: So you’re saying the TV is protecting itself because it’s basically a computer. But some people will say, “Come on, it’s a TV. Who’s going to hack a TV through a USB stick?”

Five Reasons USB Sticks Will Be Around a Dozen More Years — and Why Flash Drives Still Matter in a Cloud-First World

Reason #1. Universal Compatibility Isn’t Going Anywhere

If you’ve been around USB as long as we have at GetUSB.info—since 2004, back when flip phones ruled the earth and “cloud” meant weather—you start to notice a pattern: every few years someone confidently announces the death of the USB flash drive. And yet, like a reliable old fishing boat or the one screwdriver you can never find until you really need it, the humble USB stick keeps showing up exactly where it matters. The first reason is simple: universal compatibility isn’t going anywhere. USB ports remain the one port manufacturers can’t ditch without getting angry calls from people who still plug in everything from cameras to car infotainment systems to conference room displays. As long as hardware continues to lean on USB-A and USB-C—and trust us, it will—flash drives stay relevant by default.

Reason #2. Air-Gapped Security Still Beats the Cloud

The second reason is the big one nobody wants to admit: air-gapped security still beats every “modern” idea floating around. Cloud storage may be convenient, but it’s also a giant target with a blinking neon sign that says “please hack me.” A write-protected USB drive — yes, the same kind used in clinics, labs, field teams, military gear, and everywhere else with real stakes—remains the easiest way to guarantee nothing gets added, deleted, or tampered with. When HIPAA folks and compliance officers clutch their drives like priceless relics, they’re not being dramatic. They’re being smart.

Reason #3.

What Starts as a “Free Storage System” Turns Into a Slow-Motion Disaster the Moment USB Flash Meets NAS-Level Workloads

Everyone has that drawer. You know the one. A tech graveyard packed with five different charging cables from extinct phones, a random SIM tool that’s definitely not from your phone, and a fistful of old USB flash drives that you swear are worth keeping because “someday I’ll use these again.” And then one day, inspiration strikes: You decide those old USB 3.0 beauties are destined for greatness. “I’ll build a NAS with them!” you proclaim. “A massive storage array for free! Eco-friendly! Efficient! I should win awards for this.”

Except — and I say this with love — what you’re really constructing is a digital disaster disguised as a budget project. Because USB sticks and NAS workloads go together about as well as mayonnaise and hot chocolate.

USB 5Gbps — The “Hold My Beer, I’m Fast Enough” Speed

Look, if USB had a middle child, this would be it. Five gigabits per second sounds impressive until you realize it’s basically the cousin who runs a 5K once a year and brags about it all Christmas. It works. It transfers your files. It doesn’t complain. And when you plug something in, chances are it’ll say, “Yeah man, I got this,” even though you know it’s secretly wheezing on the inside.

This is the speed tier where hard drives feel comfortable, basic flash drives don’t embarrass themselves too badly, and you can still pretend your aging laptop is “totally fine.” Sure, 5Gbps is cute. But once you see the numbers above it, you’ll wonder how you ever lived like this.

Gbps — Gigabits per second — is just a fancy way of saying how fast your data is hauling down the wire, and honestly, the name sounds way more complicated than it is. A gigabit is just a billion tiny digital dots, bits, the little on/off blips everything in tech is built from. Stack a billion of them together and shove them through a cable every second and boom, you’ve got 1 Gbps. The trick — and this is where people get tripped up after a couple beers — is remembering that a bit is not a byte. There are eight bits in one byte, so whatever Gbps number the marketing guys slap on the box, you divide by eight to get something that actually makes sense in the real world, like megabytes per second. So that “5 Gbps” USB port? It tops out around 625 MB/s if everything’s behaving, the planets align, and you haven’t kinked the cable behind your desk. Call it what you want, but Gbps just means “how fast this thing can move stuff,” and that’s all anyone really needs to know before pouring another drink and pretending USB naming isn’t a complete disaster.

USB 10Gbps — The “Feeling Pretty Good, Might Transfer a Movie Later” Tier

Ten gigabits is where USB finally puts on a clean shirt and acts like it has its life together. Suddenly everything feels quick. Your transfers stop dragging. Your external SSDs stop sounding like a clogged sink. You start believing in technology again.

This is the speed that makes you feel like you’re living in the future without actually needing to understand anything. It’s double the speed but also double the confidence. It’s the “I’m not rich, but I’m not eating gas station burritos anymore” of USB performance.

The Untold Life of a microSD Card: From Silicon Wafer to Secure Erasure

From the outside, a microSD card looks boring. It is a black rectangle with a logo on top and some gold contacts on the back. You plug it in, it stores data, and as long as your photos or firmware or logs show up when you need them, you do not think about it again.

Inside, though, the lifecycle of that card is far more complicated. It begins on a mirror-polished silicon wafer, passes through a kind of semiconductor acupuncture ritual, goes through secretive factory software that “marries” the memory with its controller, and then spends the rest of its life slowly leaking electrical charge while you expect it to act like permanent storage. Sometimes it works. Sometimes it fails in the field. And sometimes it quietly forgets what you asked it to remember.

If you build products that depend on microSD cards—embedded systems, data loggers, cameras, industrial controllers, point-of-sale terminals—understanding that lifecycle is not a fun piece of trivia. It is the difference between a stable deployment and mysterious support calls six months after launch.

Where a microSD Card Really Begins

The story of a microSD card does not start in a retail box. It starts in a fabrication plant, usually owned by a NAND supplier such as Samsung, Micron, Hynix, or Toshiba/Kioxia. These facilities are some of the most controlled environments on earth. Airflow, temperature, and airborne particles are monitored more carefully than in most hospital operating rooms.

On a production line that costs billions of dollars to build, wafers are gradually constructed. Layer after layer of material is deposited, patterned with light, etched away, and doped with impurities. This is where the memory cells that eventually become your “32 GB” or “512 GB” microSD cards are physically defined. At this stage, nothing looks like a card. Everything looks like repeated patterns of tiny rectangles on a circular wafer of polished silicon.

Once the circuits are built, there is an obvious question: how much of this wafer is actually usable? That is where wafer probing comes in.

Encryption protects access to data, but it doesn’t guarantee the data hasn’t changed

When people talk about USB security, encryption usually comes up first. And for good reason. If a drive is lost or stolen, encryption protects the data from being read by someone who shouldn’t have it.

But encryption answers only one question: Can someone read what’s on the drive if they get it?

It doesn’t answer another question that often matters just as much: Can the contents of the drive be changed at all?

That distinction gets overlooked, and in many environments, it’s the more important one.

Encryption protects data. Read-only protects trust.

A writable USB drive is mutable by nature. Files can be modified, added, replaced, or removed. That’s true whether the data is encrypted or not. Once a drive is unlocked, the system assumes change is allowed.

Read-only media changes the model entirely. Instead of asking who is allowed to modify the data, it removes modification from the equation in the first place. The device becomes a reference, not a workspace.

That difference shows up clearly when you look at how USB drives are actually used in the real world.

Healthcare: stopping problems before they start

In healthcare environments, the fear isn’t just data theft. It’s contamination.

Malware doesn’t need permission to copy itself onto writable media. If a USB drive can accept new data, it can accept the wrong data. A drive used on one system can quietly become a carrier to the next.

Encryption doesn’t prevent that. Once a drive is writable, the system treats it like any other storage device.

Read-only USB media removes that pathway. Nothing new can be written to the device unless someone intentionally allows it. That means fewer opportunities for accidental infection, fewer unknown variables, and fewer assumptions about where the drive has been.

If you want the deeper “how it works” version, this Lock License write-up is a good reference: new flash drive counters USB cyber threats.

Legal: preserving integrity matters more than secrecy

Legal environments care deeply about authenticity. Evidence, testimony, video files, transcripts, and supporting documents must remain exactly as they were when produced.

Encryption can protect those files during transport, but it doesn’t guarantee they haven’t been altered. A writable drive introduces doubt, even if no one intended to change anything.

Read-only media establishes a stronger position: the contents are fixed. The device itself enforces that rule. When material passes between parties who may not trust each other, that immutability becomes part of the chain of custody.

In legal disputes, it’s often not enough for data to be secure. It has to be defensible.

Manufacturing and service environments: controlling the source of truth

Manufacturers, especially in automotive and industrial settings, rely on accurate instructions, firmware, service manuals, and calibration data. Those files aren’t just reference material — they directly affect safety and performance.

A writable USB drive introduces risk. Instructions can be altered, overwritten, or replaced, intentionally or accidentally. Over time, different versions start circulating, and no one is quite sure which one is authoritative.

Read-only media helps enforce a single source of truth. The device delivers information, not a place to store new information. That separation reduces errors and limits the opportunity for unauthorized changes.

If you’re coming from the “old-school write-protect switch” world, here’s a practical explainer on the modern replacement approach: USB write protect switch replaced with better technology.

Public works and infrastructure: fewer assumptions, fewer failures

Public works organizations often work with field equipment, control systems, and infrastructure assets that aren’t easily isolated or replaced. USB drives are commonly used to move configuration files, logs, or updates between systems.

The challenge isn’t just security — it’s reliability. When devices move between unknown systems, assumptions break down quickly. A writable drive carries the history of everywhere it’s been.

Read-only media limits that history. The device behaves predictably every time it’s connected. That consistency matters when systems control physical infrastructure rather than office software.

For industrial and critical environments, this is also worth a look: industrial control system USB flash drive designed for ICS security.

The overlooked question

Encryption remains important. There are many cases where it’s absolutely necessary.

But encryption answers only one part of the problem. Read-only answers a different one — whether the data can change at all.

In many environments, especially those dealing with safety, compliance, evidence, or critical systems, immutability matters as much as confidentiality.

Put simply:
Encryption protects data after something goes wrong.
Read-only helps prevent the problem in the first place.

That’s why, in practice, USB read-only often matters more than encryption.

Alright, picture this.

I’m sitting in an airport lounge that smells like carpet cleaner and broken dreams, ordering a drink that’s technically a beer but priced like a mortgage payment. I haven’t even taken my first sip yet when I overhear that guy two seats over, leaning in like he’s about to reveal classified information.

“Don’t plug your phone in there,” he whispers. “They steal your data.”

I almost spit my drink.

This whole airport USB charging panic has taken on urban-legend status. It’s right up there with razor blades in Halloween candy and the idea that airlines make money off baggage fees instead of your soul. And yeah, the warning signs are everywhere now — “Avoid public USB ports,” “Use your own charger,” “Juice jacking is real.” Sounds scary. Sounds official. Sounds… mostly wrong.

Here’s the thing. Ninety-nine percent of the time, plugging your phone into an airport USB port is about as dangerous as using their Wi-Fi to check the weather. Those charging stations aren’t sitting there running some evil hacker OS waiting to suck your photos into the cloud. Most of them are power only. No data. No handshake. No funny business. The data lines — the infamous D+ and D- wires — are either clipped, shorted, or never connected in the first place. They exist purely to shove electrons into your battery and nothing more.

No data lines means no data transfer. Period. You can’t steal what isn’t electrically there. That’s not an opinion, that’s physics.

Now, could there theoretically be a rogue charging station somewhere on planet Earth that exposes full USB data and tries something clever? Sure. There are also theoretically sharks in swimming pools. Doesn’t mean you panic every time you cannonball. Modern phones are not stupid. If something fishy happens — if a port actually presents itself like a computer — your phone will immediately ask you that very un-subtle question: “Trust this computer?” That’s your red flag. That’s the bouncer tapping you on the shoulder and saying, “Hey buddy, you sure about this?”

If you don’t tap yes, nothing happens. End of story.

The real villain in this whole saga isn’t the airport wall port. It’s the mystery USB cable. The free cable.

Why Some USB-C Adapters Slow Down Speeds Even When They Look Like USB 3.x — and How Hidden Design Shortcuts Cause USB 2.0 Fallback

The short answer is that these adapters can slow down data transfer speeds, but not always. The adapter in the photo is a USB-A to USB-C adapter, where the blue insert on the USB-A side indicates USB 3.x capability. Whether it slows data rates depends on several factors. The first factor is what the adapter itself is rated for. If the adapter was designed for USB 3.0 or USB 3.1 Gen 1 at 5Gbps, or USB 3.1 Gen 2 at 10Gbps, it will not bottleneck performance as long as everything else in the chain supports those same speeds. However, many inexpensive adapters are internally only USB 2.0 at 480Mbps even though they appear externally as USB-C adapters, and those will slow transfers significantly.

The second factor is the capability of the device the adapter is being plugged into. Many phones, laptops, and tablets—especially budget models—only support USB 2.0 speeds over USB-C, and if that is the case, speeds will be slow no matter how capable the adapter may be. The third factor involves the speed rating of the flash drive or storage device being connected. If the drive supports only USB 2.0, it will be slow regardless of the adapter.

Why You Can’t Play Copy Protected Video on a Smart TV — The Locked Suitcase Analogy To Make Things Crystal Clear

Let’s talk suitcases to kick things off. Not the boring suitcase we take on business trips with socks and toothpaste, but digital suitcases. When you buy a secure USB that protects movies, training videos, or audio files, what you’re really getting is a locked suitcase full of content. The whole point of the suitcase lock is to stop other people from grabbing what’s inside and copying it all over creation. Security is the job. Protecting is the job. Just working in a TV or car stereo is definitely not the job.

Here’s the key idea most people miss: a locked suitcase does not magically unlock itself. It does not unpack itself. And it definitely doesn’t turn into a tiny little butler who pushes the Play button for your TV show. Someone must hold the key, open the suitcase, take out what’s inside, and press Play. In the world of technology, that “someone” is a computer — a Windows PC or a Mac.

A Smart TV doesn’t have hands. It doesn’t have the security software required to use the key. It can’t unpack the suitcase. It can’t pick up the MP4 or MP3 file. And even if the SmartTV could somehow levitate the file, it still wouldn’t have the ability to press Play for the secure file. Smart TVs can recognize that a USB drive is plugged in — that part is easy. They just can’t perform the work of secure decryption or controlled playback.

USB-C is a big step forward for connectors, but it is still a confusing mess when it comes to what each port can actually do.

I just spent the afternoon reading the USB-IF documentation about USB-C and I have questions. And rants. While I was at it, I revisited our breakdown of USB Power Delivery here: USB-PD Explained with Charts .

USB-C is supposed to be the great universal port of our time. One cable to rule them all. One port to simplify everything. One connector so symmetrical you can plug it in upside down at 2AM and still feel like a genius.

And honestly, it is a huge improvement. It is the direction the industry should go. Finally, a connector that is not designed by the same person who thought micro-USB was a good idea.

Not All ISOs Are Equal: Why Windows Installer ISOs Break USB Duplication

Most people assume an ISO file is universal. If a file ends in “.iso,” it must behave like every other ISO, right? In the USB duplication world, that assumption causes more confusion than anything else. Customers load a Microsoft Windows installer ISO into their duplication workflow expecting it to behave like a classic disc image, only to discover the file refuses to write correctly or the resulting USB does not boot.

The problem is simple once you know what is really going on: a true CD or DVD ISO is a sector-for-sector copy of a disc, while a Microsoft Windows ISO is not a disc image at all. It only looks like one on the surface. Under the hood, it is a container holding a compressed operating system image, multiple boot loaders, and a hybrid filesystem designed for modern installation tools. For everyday users, the shared “.iso” extension makes these files seem interchangeable, but the two formats behave nothing alike during USB duplication.