HTVRONT’s Heat Sensitive Color Changing Vinyl brings your ... changes color—then shifts back as it cools. It’s great for mugs, tumblers, and other smooth-surface projects.

To test the heat retention of each container ... wire thermistor probes (thin temperature-sensitive wires) to take the temperature of each travel mug or bottle every hour and each large thermos ...

The $199 Tumbler is Ember’s newest product but carries the same promise as the company’s popular mugs: it can keep your ... a better job of holding its heat, but the Tumbler’s job is to ...

With this new heat-changing coffee mug, you can enjoy your hot beverages and see the Aurora Borealis at the same time — sort of. SEE ALSO: Adventurous surfers take on Arctic waves under ...

Simple, but effective. In a similar vein, we have this ceramic mug designed by Stephen Reed. It’s designed to reduce the heat transferred to your hand when you pick up a mug of steaming coffee ...

The shape also affects how well the mug holds onto heat, with straight designs being the most successful. When it comes to certain materials, namely ceramic and glass, the thicker they are ...

Nintendo fans can now show their fondness and nostalgia for the Game Boy with a mug than changes colour when you put hot water in it. The Nintendo Game Boy Heat Change Mug from Paladone (£8.99 ...