2024-11-13 Hacker News Top Articles and Its Summaries
1. No GPS required: our app can now locate underground trains Total comment counts : 56 Summary error Top 1 Comment Summary The article discusses a discovery by a French company named Snips, which developed an app that could detect when a train entered or left a station by utilizing the pressure sensor in smartphones. The app noticed a distinct change in air pressure when the train moved in or out of tunnels, which are common between subway stations....