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Re:Halfbakery by rockostrich on Friday November 10, 2017 @09:43AM (#15670127)
There's also Ember [1] (also a kickstarter I think) that just made a mug with a heating element and controller to keep your beverage at a specific temperature. Using materials with specific phase change temperatures sounds like an innovative solution, but it's also grossly engineering a problem that can be solved better by $10 worth of components.

[1] https://ember.com/products/ceramic-mug

Re:Halfbakery by fragmede on Friday November 10, 2017 @04:02PM (#15673003)
Is having a processor and electronics and software and sensors, which, despite the cost of components of $10, requires electricity. Is that really that much better than just building a better thermos?

( These things are amazing; if you haven't experienced one yet I recommend picking one up from REI: https://www.yeti.com/drinkware/rambler-20-oz-tumbler/YRAM20.... )

Re:Halfbakery by maxerickson on Friday November 10, 2017 @11:11AM (#15670832)
A battery powered mug with an app isn't really any simpler of a solution than fancy ice cubes.

Vacuum mugs already advertise hours of heat retention. Most hot drinks aren't going to taste better after sitting for hours and hours anyway.

Re:Halfbakery by larkeith on Saturday November 11, 2017 @04:51AM (#15675668)
I don't know, personally I would absolutely hate having to remember to keep my mug charged - although it's a damn cool product, just not for me.

I'm not sure I can agree about a phase-change solution being overengineered, however; while the materials would be more complex, the design itself should be far simpler than an electronic mug, and exactly the same as a vacuum sealed one.

Re:Halfbakery by grogenaut on Friday November 10, 2017 @10:46AM (#15670587)
I'd also be really worried about toxicity and materials that changed phase at that temp... Or well any temp. Can it leech through the walls? I wouldn't be Keen on dropping molten steel in my coffee either.
Re:Halfbakery by maxerickson on Friday November 10, 2017 @11:14AM (#15670854)
It's isolated components of vegetable oil:

http://discovermagazine.com/2013/september/21-running-hot-an...

Not really terrifying.

Re:Halfbakery by sulam on Friday November 10, 2017 @11:02AM (#15670734)
Seems clear that the stainless steel is to keep the material out of your liquids. It is not molten! Keep in mind you regularly put stainless steel in your mouth and lick it.

I’d say this is a reasonable use.