For coffee enthusiasts who’ve experienced the disappointment of a lukewarm brew, the Nextmug Temperature-Controlled ...

For moments like that, this fancy ceramic smart mug is here to help you avoid that situation altogether. SEE ALSO: These are the best toaster ovens according to reviewers on Amazon Named one of ...

Before these smart devices ... the liquid to stay at the set temperature. Stainless mugs tend to be insulated, and their combination of material and design effectively slows heat loss.