That light shoots up through your glass, giving a flash of color and style to a drink otherwise as dull as tap water. While the coasters apparently work well on ice water, they may not look as ...

The coaster is “smart” in the sense that it can detect when a drink is present and when it is removed, it can communicate with nearby coasters, and it can provide feedback in the form of ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

[Robert] put together his own illuminated coasters that know when they hold a drink. They look fantastic ... He mentions that incandescent light bulbs mess with the IR reflectance sensor.