Rachel Osei
Rachel Osei covers consumer technology and digital life. She writes about smartphones, software, cybersecurity, and the tools that help people get more from their devices.
Hydrogen technology in the UK: where it earns its keep, and where electricity does the job better
A clear-eyed look at where hydrogen technology in the UK genuinely helps, and where electrification still does the job more…
Small Modular Reactors: The UK’s Quiet Nuclear Bet
Small modular reactors may help the UK later, but the real story is regulation, sites, cost and delivery discipline, not…
Drone Delivery and Air Taxis: How Close Are We Really?
Drone delivery is real in narrow UK routes, but air taxis remain a longer certification and infrastructure story. Here is…
Vehicle-to-grid: when your EV could power your home
What vehicle-to-grid ev could mean for UK households, with the hardware, tariff and grid-limit checks worth doing before committing.
The next generation of EV batteries: solid-state and sodium explained
The Next Generation of EV Batteries explained in plain English, with the UK rules, real-world limits and practical checks readers…
Self-driving cars in the UK: how close are we really?
A plain-English look at where self-driving cars really stand in the UK today, what the rules allow, and what ordinary…
Continuous Glucose Monitors: Useful Or Overkill?
Continuous glucose monitors can be vital diabetes tools, but wellness use is murkier. Learn what the data shows, where the…
RCS Messaging: Why Green Bubbles Are Changing
RCS messaging improves media, receipts and group chats, but green bubbles still do not guarantee privacy. Here is what changed…
Heat Pumps: Do They Make Sense For UK Homes?
Heat pumps can suit UK homes, but insulation, tariffs, grants and installer quality decide whether the 2026 numbers make sense…
Data centres: the hidden energy cost of digital life
Data centres give everyday digital services a physical energy cost. Learn how streaming, backups and AI use connect to power…