aldrich.dk
The portal to Per Tybjerg Aldrich's universes about light pollution, photography and occupational health and safety


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News:

2013-03-07: Photo: Spring sprouts slowly

2013-03-05: Photo: The beginning of a fimbulwinter?

2013-02-28: Photo: Snow on flagstone

2013-02-21: Photo: Wooden elements with hoarfrost

2013-02-19: Photo: Shadow game

2013-02-15: Photo: The skeleton of a Balaenoptera borealis (a sei whale)

2013-02-15: Light pollution: Carl-Henning Pedersen og stjernehimlen (Carl-Henning Pedersen and the night sky)

2013-02-10: Light pollution: Brug forsigtighedsprincippet på udendørsbelysningen (Use the precautionary principle on outdoor lighting)

2013-02-04: Photo: Aarhus - the smiling city

2013-02-03: Photo: Light pollution

2013-02-02: Light pollution: Mål lysforureningen og deltag i Globe at Night (Measure the light pollution and participate in Globe at Night)

2013-02-02: Photo: An outline of an old apple tree

2013-01-24: Light pollution: Lysspild hædres - Den Danske Lyspris 2012 går til Lynetten i København (Waste of light honored - The Danish Lighting Prize goes to Lynetten in Copenhagen)

2013-01-23: Light pollution: Danmark lyser for stjernerne (Denmark lights up for the stars)

2013-01-22: Light pollution: Konsekvenser for oplevelsen af stjernehimlen (Consequences for the experience of the night sky)

2013-01-17: Light pollution: Kunstigt lys om natten får solsorte til at parre sig tidligere (Artificial light at night makes blackbirds ready to mate sooner in spring)

2013-01-15: Light pollution: Registrering af beskyttelsesværdig natur overser nattemørket (Registration of conservation worthy nature misses the dark night sky)

2013-01-02: Light pollution: Eksperimenter med lysstyring i Aalborg (Experiments with light control in Aalborg)

2012-12-30: Photo: Caught by a sunbeam

2012-12-28: Light pollution: Regler om lysforurening (Regulation of light pollution)

2012-12-27: Light pollution: Principper for forebyggelse og reduktion af lysforurening (Principles for prevention and reduction of light pollution)

2012-12-26: Light pollution: Kilder til lysforurening (Sources of light pollution)

2012-12-23: Photo: Stairways to...

2012-12-21: Photo: Towards brighter times

2012-12-14: Light pollution: Eksempler på gode og dårlige armaturer (Examples of good and bad fixtures)

2012-12-14: Light pollution: Brorfelde fredet (Brorfelde conserved)

2012-12-13: Light pollution: Natarbejde øger mænds risiko for prostatakræft (Night work increases men's risk for prostata cancer)

2012-12-13: Photo: White in white

2012-12-09: Light pollution: Nyt satellitfoto af Danmark om natten (New sattellite photo of Denmark at night)

2012-12-09: Photo: Too much of a good thing

2012-12-04: Photo: Flowers on the windows instead of in the garden

2012-12-03: Photo: King Frost grows a beard

2012-12-02: Photo: Winter pattern

2012-12-01: Photo: It became winter

2012-11-27: Light pollution: Naturskønne områder trækker (Beautiful nature attracts)

2012-11-26: Light pollution: Inspiration til udendørs belysning i landsbyer (Inspiration to outdoor lighting in villages)

2012-11-18: Light pollution: Lysforurening.dk åbner på WordPress (Lysforurening.dk opens at WordPress)


 © Per Tybjerg Aldrich 2013-03-07