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The Future of Tech Careers

Ravichandran Harini, Jadetimes Staff

Why Everyone Is Talking About AI, Data Science, and Cybersecurity

A third-year student sits with three brochures spread across her desk: Artificial Intelligence, Data Science, Cybersecurity. Every advisor, every LinkedIn post, every campus seminar insists each is "the career of the future." She wonders, are these fields truly the future, or simply today's loudest trends?


The honest answer is both, and neither is going away soon. Cloud computing, automation, and an explosion of digital data have made technology the backbone of nearly every industry, while rising cyberattacks have made protecting that backbone non-negotiable. These forces are not passing fads; they are structural shifts in how the world works.


Each field solves a different problem. Artificial Intelligence builds systems that learn, reason, and automate tasks once reserved for humans. Data Science turns raw information, sales figures, patient records, sensor readings, into insights that guide real decisions. Cybersecurity defends the networks, devices, and data that make all of it possible. Employers surveyed by the World Economic Forum ranked AI and information processing as the most transformative technology trend through 2030, cited by 86 percent of companies.


Governments and corporations are backing this shift with real money, hospitals using AI to detect disease earlier, banks deploying data science to catch fraud in milliseconds, manufacturers hardening factory networks against ransomware. These are not hypothetical use cases; they are already running in production systems worldwide.


Crucially, the three fields feed each other. AI models are only as good as the data they train on, data science increasingly relies on AI techniques to find patterns humans would miss, and cybersecurity protects the pipelines connecting both. None of them functions well in isolation.


That interdependence raises the question every student eventually asks: will AI take their job? The evidence is mixed by design. The World Economic Forum's Future of Jobs Report 2025 projects 170 million new jobs created by 2030 alongside 92 million displaced, a net gain of 78 million, with AI and machine learning specialist roles among the fastest-growing, expected to expand 82 percent. Repetitive tasks are automating; judgment, creativity, and ethical reasoning are not.


Employers increasingly prize a hybrid skill set: programming, machine learning fundamentals, data analysis, cybersecurity awareness, cloud literacy, alongside communication, adaptability, and continuous learning. Analytical thinking remains employers' single most valued core skill.


There is no single best path, only the one built on curiosity, adaptability, and responsible use of powerful tools.

Beneath the Waves: The Cables That Carry Our World

Ravichandran Harini, Jadetimes Staff

How does a message typed in Colombo appear on a screen in New York less than a second later? Most people imagine satellites beaming signals through space. The real answer lies somewhere far less glamorous, and far more astonishing: at the bottom of the ocean.


Submarine fibre-optic cables are thin strands of glass, often no thicker than a garden hose, laid across ocean floors and stretching between continents. Inside, pulses of light travel at extraordinary speed, carrying everything from emails and bank transfers to Netflix streams and video calls. Together, this hidden web of cable now spans hundreds of thousands of miles, and it is estimated to carry roughly 95 percent of all international internet and data traffic, according to industry researchers and organisations such as TeleGeography.


It is a common myth that satellites shoulder this burden. In reality, satellites handle only a small fraction of global data, mainly in remote regions without cable access. Undersea cables outperform satellites because light travels faster through glass fibre than data can bounce to orbit and back, and because a single cable can carry vastly more information at once. This invisible infrastructure underpins cloud computing, online education, international business, and the banking systems that move trillions of dollars daily.


Yet this network is more fragile than most realise. Cables are vulnerable to earthquakes, fishing trawlers, and ship anchors dragged carelessly across the seabed. In recent years, incidents in the Baltic Sea have drawn global attention, with several cables damaged between late 2024 and early 2025 amid suspicions of deliberate anchor-dragging by vessels linked to geopolitical tensions. Research group Insikt Group documented dozens of publicly reported cable damage incidents across 2024 and 2025 alone, noting that anchor dragging and natural causes remain the leading culprits, while repairs, requiring specialised ships and skilled technicians, can take weeks to complete.


Given the stakes, governments and technology giants such as Google, Meta, and Microsoft now invest billions of dollars annually to lay new routes, diversify paths, and fund rapid-repair capabilities, recognising that a handful of cable cuts can disrupt entire economies and communication networks.


This is the paradox of submarine cables: a system both remarkably resilient, built with redundancy and constant maintenance, and quietly vulnerable to accident and sabotage alike.


The next time a message crosses an ocean in an instant, remember that it likely travelled not through the sky, but along glass threads resting silently on the seabed, one of humanity's greatest engineering achievements, unseen yet indispensable, keeping billions of people connected every day.

When Antibiotics Stop Working

Ravichandran Harini, Dadetimes Staff

What would happen if a simple cut, a sore throat, or a routine surgery could kill you? Not because of some exotic new disease, but because the medicines that have protected us for nearly a century simply stopped working. That question is no longer hypothetical. It is the defining public health challenge of our era.


Antibiotics are drugs that kill or halt the growth of bacteria. Since Alexander Fleming's discovery of penicillin in 1928, they have transformed medicine, turning once-fatal infections into manageable conditions and making possible everything from organ transplants to chemotherapy to childbirth by caesarean section. Millions of lives have been saved because a scratch, a pneumonia, or a post-surgical infection could be treated rather than feared.


But bacteria evolve. Every time antibiotics are used, especially when they are overprescribed, taken incorrectly, or given routinely to livestock to speed growth, surviving bacteria adapt and multiply. Hospitals, farms, and households worldwide have become breeding grounds for resistant strains, turning treatable infections into medical emergencies.


The consequences are already visible. Patients face longer hospital stays, higher medical bills, and riskier operations, since even minor surgeries depend on antibiotics working. According to the World Health Organization, bacterial antimicrobial resistance was linked to an estimated 4.7 million deaths globally in 2021. A landmark Lancet-published forecast projects the toll could climb to 39 million deaths between 2025 and 2050, roughly three deaths every minute.


Yet the story is not without hope. Researchers are racing to develop new antibiotic classes, next-generation vaccines that prevent infections before they start, and rapid diagnostic tools that identify the right drug within minutes rather than days. Bacteriophage therapy, using viruses that target specific bacteria, is being revived as a promising alternative. Meanwhile, antimicrobial stewardship programs are helping hospitals and farms use existing drugs more wisely.


None of this works in isolation. Slowing resistance requires governments enforcing responsible use, doctors prescribing carefully, farmers reducing unnecessary use in livestock, and patients finishing prescribed courses rather than stopping early. It is a shared responsibility, not a single fix.


Antibiotics are not infinite. They are a fragile, finite resource that took decades of science to build and could be undone within a generation of misuse. Protecting them today is not just a medical necessity, it is an act of stewardship for the patients, surgeries, and lives that depend on them tomorrow.

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