"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Back in 2021, I found myself curious about the Ember self-heating mug. While I do drink iced coffee, ...

Do you remember Ember? Maybe not by name, but perhaps you recall the company’s defining concept: a mug that keeps your drink at your preferred temperature, and not a degree cooler, for hours at a time ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...