GreenPhotons

QuizClash

Post author:uwezi
Post published:2014-06-21
Post category:Computers Everything Media
Post comments:0 Comments

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Swedish midsummer flora

Post author:uwezi
Post published:2014-06-21
Post category:Outdoors Photography Plants
Post comments:0 Comments

Today was the Swedish midsummer eve - and I used the free day for a bicycle ride. Hunting geo-caches also brought me in contact with nature. Paris quadrifolia is quite…

MS Outlook Web App - a survival mechanism for Outlook/Exchange refuseniks.

Brave New World

Post author:uwezi
Post published:2014-06-12
Post category:Computers Politics
Post comments:2 Comments

Today my employer, Uppsala University, will migrate our email system from an open-source and Unix based one to Exchange Server. At the same time we are all encouraged to migrate…

IKEA LEDARE lamp with 16.5 W and 1000 lm.

That’s bright!

Post author:uwezi
Post published:2014-06-11
Post category:Electronics LEDs
Post comments:4 Comments

Transatlantic recently asked about a new IKEA LED lamp, the LEDARE with 1000 lm. It comes as a quite big globe (diameter 95 mm) with an E27 socket, an electrical…

A letter to the head of the Engineering Sciences at Uppsala University

Post author:uwezi
Post published:2014-05-09
Post category:Politics Science
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Impressions from a trip to Germany

Post author:uwezi
Post published:2014-04-25
Post category:Politics
Post comments:0 Comments

Dear fellow resident German citizens!

Is it really and completely normal for you that

the stamp vending machines of the German Post still return the change in worthless stamps only?
a post counter hosted in a supermarket and tended by the personnel of the supermarket closes at 18:30, even though the supermarket itself is open until 20:00?
many shops don’t accept card payments even for larger purchases?
half of the shops which do accept cards only accept certain cards, but no VISA?
you are looked at stupidly when paying with counted cash down to the cent?

(more…)

Post author:uwezi
Post published:2014-03-17
Post category:Media Politics Science
Post comments:0 Comments

This article is about German tv advertisements for sugar pills according to the teachings of Wilhelm Heinrich Schüßler. Since this is a German phenomenon and superstition I will not translate it to English. (more…)

LED lamps are (not) forever

Post author:uwezi
Post published:2014-02-26
Post category:Electronics Everything LEDs
Post comments:4 Comments

Two weeks ago I wrote about my experience with special price offers for LED bulbs at Bauhaus. What I didn't write was that I then just went to the other…

Which direction are the black and white balls moving?

Optical illusions

Post author:uwezi
Post published:2014-02-16
Post category:Media Science
Post comments:0 Comments

On National Geographic there is right now a science show called Brain Games. Even though a lot of the contents is not new, there was one optical illusion which really fascinated me:

Which direction are the black and white balls moving?

Look at the full image, look at the red circle, look at the yellow circle…

(image found at Mighty Optical Illusions)

(more…)

My very own AVR ISP adapter on a breadboard.

AVR ISP breadboard adapter

Post author:uwezi
Post published:2014-02-12
Post category:AVR Computers Electronics
Post comments:1 Comment

Breadboards are great! I mean the solderless breadboard type which you can get everywhere now for almost no money. I use them all the time to prototype electronics circuits and…