On TikTok, “mood ring nails” are taking over — bringing ’90s nostalgia to manicures with a color-shifting chrome effect.

Mate has been enjoyed in the region for centuries, originally by the Indigenous Guaraní people and eventually spread by Jesuit missionaries. In time, the drink became a symbol of unity and ...

Pankaj, a Bengaluru-based developer, posted pictures and a demonstration video of the modified device, explaining that he built the assistant using a Raspberry Pi and other inexpensive components.