Researchers develop cake with robotic toppers, LED candles powered by edible battery

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Published May 6, 2025 8:53pm

A group of Swiss and Italian researchers, pastry chefs, and food scientists has developed an edible robotic wedding cake called the "RoboCake."

According to Kuya Kim's report in "24 Oras" Tuesday, the cake features robotic gummy bear toppers that can move and dance.

"They have inner tubes that can be pressurized by a pump so that the bear will tend to move in [the] desired direction, for example the legs will move up and down and the arms will move so that the two bears hug each other," said Dario Floreano, coordinator of the RoboFood Project and head of the Laboratory of Intelligent Systems (LIS) at the École Polytechnique Fédérale de Lausanne (EPFL).

The team also developed the first edible rechargeable battery that can be used to light LED candles on the cake.

"We demonstrated the first edible rechargeable battery with a casing which is made completely with chocolate," said Mario Caironi, senior researcher at the Instituto Italiano di Tecnologia (IIT).

RoboCake is an example of merging robotics and culinary arts, which can be used to help reduce electronic waste and food waste.

According to a press release by the EPFL, the researchers are also looking at emergency nutrition and health as other fields where robotics and gastronomy can be applied.

“Edible robots could be used to deliver food to endangered areas, to deliver medicines in innovative ways to people who have difficulty swallowing or to animals, or even to monitor food and its freshness using sensors that can be eaten," Floreano said.

—CDC, GMA Integrated News

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