Top Themes

ALAN Conference Series

ALAN 6 will take place from 16-18.06.2020 in Lleida, Spain.

Night Sky Data to the People!

A new website presents citizen science data

Touring Exhibition

Our touring exhibition with 15 posters can be borrowed for events!

'Loss of the Night' App

The 'Loss of the Night' app measures sky brightness! Take part in a world-wide citizen science project that measures star visibility and light pollution. The app is free!

City Night Time Lapse

This growing collection of time lapse videos of nights in urban centres provides insights how city lights change throughout the course of the night

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Leibniz Institute for Plasma Science and Technology (INP)


The INP based in Greifswald ranks among the internationally recognised centres for plasma research. INP is Europe’s largest extramural research institution for low-temperature plasmas, their fundamentals and technical applications. On the one hand, INP aims to carry out application-oriented basic research, while on the other hand it aims to optimize and further develop established plasma-assisted procedures and plasma products. INP also customises plasma for specific usage conditions and carries out feasibility studies, services and consultation.

As part of "Loss of the Night" the INP aims to develop and research "Light sources for sustainable Illumination". The central task is the evaluation and demonstration of the technical feasibility of enhanced light distribution as well as enhanced time controllable and dimmable lighting. Using external lighting as an example, these are essential contributions for the development of sustainable lighting concepts.

Leader of subproject at the INP is Dr. Steffen Franke