Technology
Two Infinix phones can now talk to each other with no tower at all, up to 1.5km apart
UltraLink lets two handsets of the same brand exchange calls, messages and pictures without a mobile network. In open ground with no…
Tagged “disaster”
Technology
Your Android phone can warn you before an earthquake arrives — how to switch it on, and the arithmetic that decides whether it reaches you in time
Every Android phone is an accelerometer. Google turned millions of them into a seismic network. The warning is real, and there is a zone…
Technology
Cyclone Sitrang: how to track the storm on your phone tonight, and the numbers to keep
Windy, the Met Office's live map at live4.bmd.gov.bd, the BMD app and the free 1090 hotline: where the real forecasts are, how to read a…