Portrait eines Mannes
Story Sep. 23, 2024

Perovskite pioneer: How a Freigeist Fellow is revolutionising solar cells and X-ray devices

Physicist Felix Lang discovered the self-healing powers of a soft semiconductor. He now wants to use it to improve the production of electricity in space, make solar power cheaper here on Earth, and help X-rays to produce less radiation and better resolution – in colour!

Zwei Hände halten einen grünen Sack mit Reishülsen
Story Sep. 10, 2024

Affordable water-purification from waste

Trained as a mechanical engineer, the Kampala-based researcher Peter W. Olupot has spent the last decade finding ways to produce affordable water purification systems using rice husks, a common byproduct of rice production.

Portrait eines Mannes
Story Sep. 03, 2024

Preventing future pandemics through community empowerment

Human societies transform the natural environment around them. If this impact is negative, it can increase infectious disease risk. Epidemiologist Joacim Rocklöv believes changing human behavior is critical to preventing pandemics from happening in the future. 

Eine comichafte Zeichnung von jungen Menschen, die Arm in Arm laufen und in deren Mitte ein Smartphone mit ihnen ebenfalls Arm in Arm läuft. Um sie herum sind viele Social Media Icons abgebildet. Alle haben gute Laune.
Story Aug. 14, 2024

Virtual companions through digital worlds

A digital companion that supports rather than lectures children and young people and is also entertaining: this is what the interdisciplinary and international consortium "COURAGE" is working on.

Illustration einer Frau mit schmelzendem Eis. Im Hintergrund eine dampfende Stadt.
Stories Jul. 30, 2024

Heat recycling in cities: Can the heat emitted in big cities be used for the energy transition?

Environmental scientist Susanne Benz wants to harvest the heat being emitted from large cities in huge quantities every day. This heat recycling could help to reduce energy consumption – an unusual idea that she will be researching in more detail in the coming years with the support of the Freigeist programme.

Ein Mann steht vor einem großen Berg alter Matratzen
Story Jul. 10, 2024

Circular economy – New life for old mattresses

Every year, hundreds of thousands of latex mattresses end up in the bulky waste in Germany. They are incinerated because there is no recycling process for them. The REFOAM research project aims to change this.