Technology

How a US teen developed an app to help his sister talk
Mother's plea after daughter dies swallowing battery
Aimee Fuller: Olympian tests 'flying surfboard' on Thames
Carpet senses human poses for 3D models and other news
The online scammers renting out other people's homes
Smart devices for babies and parents tested
HarmonyOS: Hands-on with Huawei's rival to Android
Flight of the Sky Lion: 'Like VR but without the headset'
Today at E3: Halo returns and Starfield first look
Simulated robot performs realistic acrobatics and other news