Mine communications are complex, slow and unreliable. The solution to keeping miners safe, and rescuing them when disaster strikes, might just be in their hands already.
Consumers don't understand the contracts they are signing when they buy smartphones, new research shows.
What we and other responders learned that day would go on to spark major changes in U.S. emergency response efforts.
The price of voice communication has come down in South Africa. But poor regulation and a lack of competition means that the country still has some way to go to reduce the cost of communication.
Nanophotonics deals with photons at the nanometre scale, and it's set to transform everything from internet speeds to turning your smartphone into a portable science lab.
Researchers face stiff fines or even jail time if they inadvertently communicate with foreign colleagues about matters deemed to have a military use.
Whatever BT, Virgin Media and other telecoms firms may say, the only future-proof network is a fibre-optic from door-to-door.
Thin cables about as big around as a garden hose traverse the Earth's oceans carrying all our intercontinental internet data. No one's in charge and no one's defending them.
It happened before, it could happen again: Ofcom's 200% price hike could stifle UK telecoms investment and pass costs on to customers.
Internet connectivity via your lightbulb? It's already possible with LED lights that can enlighten as well as lighten.
Satellites are vital and vulnerable - we need to plan for a worst case scenario.
Mobile operators' business models mean millions of phones are sat around unused.
Mobile networks are making the transition to 5G technology, promising faster data transfer and improved coverage.
The new legislation forcing telcos and internet companies to store your metadata for two years creates a new set of secuirty risks.
Ever since BT was privatised there have been calls to break it up. But with the steps Ofcom has already taken, it's not clear there's any benefit for consumers.
Tell those living in the countryside about the government's promised "right to fast internet" and they'll show you 10 years of similar, unmet promises.
Can the NSA and GCHQ really listen to your phone? Should we be concerned if they could?
This open internet debate isn't the first time the government has wrestled with the question of how to apportion rights between private media owners and the public.
The FCC proposal could prevent content discrimination but wouldn't solve the main problem: most rules governing the web are 80 years old.
Economic research over the past 50 years shows efforts to regulate telecoms as utilities doesn't work.