It’s not all about carbon-dioxide. The earth is (or was) an self-stabilizing system More insolation leads to more evaporation of water, more clouds, more rain – and the overall system cools down. However, outside certain boundaries, the system is not self correcting and becomes unstable. For all we know the system will become unstable with unthinkable consequences, if the current overall temperature increases by more than 2 °C.
I am appalled ‒ (Climate, part 1)
I am appalled by the comments and attitude of former colleagues, fellow geologists, geophysicists and other scientists. Based on their education, they should know better. Others have been lobbied and bribed to spread fake news.
Extreme Macro: Is a Tube Lens really necessary?
It has been argued that infinity-corrected objectives without an auxiliary tube lens cannot produce an image on a camera’s sensor because »they focus on infinity« (whatever that may mean). With the examples shown, this myth has been dispelled.
Good Stuff – »The urban foodie in times of the Corona lock-down«
Jakarta is a city, which has a lot to offer for the discerning gourmet; many places to visit – normally. Since half a year, the life in Jakarta is less sparkling, actually a bit boring. Going out with friends is out of the question, most places are closed and the ones still open are – […]
Pictures from Jakarta
Toxic Asbestos in your Bathroom?
The pictures shown here (Figures 1 and 2) come from a study in which we conducted on twelve commercial baby powders and cosmetic formulations available in the shops in Jakarta, Indonesia (March-May 2020). Our initial intention was to analyze the particle size distribution (PSD) of common household articles with a polarizing light microscope for a reference […]
Jakarta – Good News
The picture is a microphotograph of ambient (street-)dust, collected in Jakarta on August 9th, 2020, after major rainfall which ended a spell of ten dry days. The sample material has been washed down and concentrated by the rain and was collected with a tape lift from a specially prepared surface. So, what’s good about it? […]
Covid-19: Jakarta im lock-down
Seit dem 10. April ist Jakarta im lock-down, hier PSBB (Pembatasan Sosial Berskala Besar – Soziale Einschränkungen in großem Mass) genannt. Das bedeutet, dass die Schulen und praktisch alle Geschäfte geschlossen sind, mit Ausnahme der Lebensmittelketten, Apotheken, Heimwerkermärkte(!). Wer kann, der arbeitet von zu Hause (wfh: working from home). Auf den Straßen, draußen, sind Gesichtsmasken […]
Zum Thema Greta Thunberg
Ich habe den Eindruck, ich sehe ein kleines Mädchen, das die Feuerwehr ruft, weil das Haus brennt. Daraufhin antwortet man ihr: dass sie viel zu jung sei, um erwachsenen Feuerwehrleuten zu sagen, was sie zu tun haben. dass es ja gar nicht ihre eigene Idee war, um Hilfe zu rufen, sondern dass ihr das jemand […]