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Gravity waves in rain clouds over the Arava valley 28 Apr 2013 | 01:24 am
Spring weather here in Israel was rather strange. Although winter with most of its precipitation should have been over, we had a few very rainy days. Now we're in the midst of a heat wave with temp...
Gravity waves in rain clouds over the Arava valley 28 Apr 2013 | 01:24 am
Spring weather here in Israel was rather strange. Although winter with most of its precipitation should have been over, we had a few very rainy days. Now we're in the midst of a heat wave with tempera...
Predicting a supernova precursor (on SN2010mc) 15 Feb 2013 | 06:49 pm
A very interesting paper recently appeared in nature. It describes the detection of a precursor eruption of a supernova progenitor more than a month before the supernova explosion itself. It is partic...
Video Lecture: Solar vs. Anthropogenic—Better Understanding of 20th Century Climate Change 15 Jan 2013 | 12:09 pm
Last month I participated in EIKE's (Europäisches Institut für Klima und Energie) conference on Climate Change. They video record the lectures, which means that mine is now online. I thought I'd share...
Dust Dendrites 2 Jan 2013 | 10:58 pm
My wife and I had our kitchen renovated. Since this involved breaking a few walls (and cutting out a new window), we knew it would raise a lot of dust. Mind you, here in the middle east houses are bui...
The worst of the BEST 6 Dec 2012 | 09:51 pm
I was asked by quite a few people about my opinion on the BEST analysis of Richard Muller and his group in Berkeley. Since I didn’t want to keep my friends without an answer, I took a more careful loo...
The eye of the Hurricane 17 Nov 2012 | 03:45 am
After being busy with the submission of two research proposal and trying to stay afloat with the pretty heavy teaching load I have this semester, I decided I should take a short break and post somethi...
Does the global temperature lag CO2? More flaws in the Shakun et al. paper in Nature. 22 Apr 2012 | 02:49 am
Over the past two weeks, perhaps a dozen people asked me about the recently published paper of Shakun et al. in Nature. It allegedly demonstrates that the global temperature followed CO2 around the wa...
Open letter to Rep. Adam Schiff, regarding SOPA and PIPA bills. 20 Jan 2012 | 09:49 am
Dear Rep. Adam Schiff (representing California's 29th district). Although I presently live outside the US, I am a registered voter in the 29th district which you represent. I kindly ask that you will...
Causes of Climate Change - Poll Results 17 Jan 2012 | 06:42 am
Out of curiosity, I opened a few weeks ago a poll asking the visitors of this site, what do they think is the primary cause of global warming. 429 people answered the poll (thanks to all of you!). Th...