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The popular Stanley 1913 Switchback and Trigger Action travel mugs have been recalled over concerns the lid could come off and cause burns to the user.
And then, of course, 16 ounces is somewhere in between. The type of lid on your travel mug can make a fairly big difference in how you experience drinking. Some have bigger openings, some smaller.
(Its battery life is shorter at higher temperatures, though.) You can keep your drink warm for even longer if you use the mug’s lid, which helps traps heat and extend its battery life.
It turns out that the black plastic lid atop your coffee cup has a superpower. And the Stache Lab at Princeton Chemistry, which uncovered it, is exploiting that property to recycle at least two major ...