"It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts..." Sherlock Holmes

The following is based on my idea that there are two main problems related to halting problem: That you can not check if program does not halt. You can always check if it does. That the finite state…

How do plants perceive environmental stress ? Biotic and abiotic stress induces plant response and before" dying" different levels of resistance is shown and finally plants are overcome with stress…

It's no secret we have done things our own way here - no marketing, no corporate hierarchy, no political or cultural litmus test and no requirement that you already be popular before you can join.…

The beauty and utility of crystalline materials has seen in almost every application today.  From silicon microprocessor and photovoltaic technologies, to dielectrics, laser applications, optics…

We have studied constraints to programs, but we can use constraints to programmers instead. Let's assume the following constraint: Programmer must always figure out, for his specific algorithm, how…

Let's assume that we do not have a DoesHalt(program) function, but DoesHalt() function inside runtime of program, which is able to signal true or false. It is also able to hang. At first, the case…

Physics and Technology of CCD A charge-coupled device (CCD) is a device for the movement of electrical charge from one capacitor to another one developed by W. Boyle and G. Smith in Bell Laboratories…

Today is the 2000th day of blogging for me. And this is my 2003rd post! It all started in December 2004, when I first learned about the existence of a thing called "blog". I had been contacted by…

Can elicitors like Chitosan elicite the same response as the stress signals in plants. How one can relate both the phenomenon. Do stress induced proteins also have a role in signal transduction

Sodium chloride or for that matter largely sodium acts as signal to activate various metabolic pathways in plants including response to stress. Human brain also has some kind of Sodium balance i.e.…

A new study published in the Proceedings of The National Academy of Sciences has compared the qualifications and publication histories of climate change skeptics to those of Anthropogenic global…

Naked girls as you have never seen them before: Eizo, a Japanese company, has an interesting way to advertise their radiological products. I'd comment that seeing underneath clothing might be good…

Abstract:  Four types of DNA stains were evaluated based on safety, ease of use, cost, and resolution.  Ethidium Bromide was tested primarily as a comparison to the standard stain normally…

The BP oil spill in the Gulf is doing unmeasurable damage to the local economy and ecology of the region.   Are government efforts geared toward making undersea oil extraction safer or cleaning…

This is such a breathtaking view of the sky above Cotopaxi Volcano in Ecuador. Time lapse video takes you from day to night- full of shooting stars, and even some hikers' flashlights near the end.…

On July 4th I will speak at ESOF 2010, in Torino (Italy), about the topic of "What's up with peer review: The future of peer review in policy, research and public debates", in a panel which includes…

Print Your Own Universe There is a great educational resource available on the web: card models. I remember first1 making such models as a small child.  I can say from memory that folding paper…

Okay, It has happened now.  I am starting to notice that there are some wonderful movies available on netflix that represent a much larger spectrum of life than I have found available on the…

All one needs from fruits is their special taste. I very much like cherries of Germany in this season aAs  they are proper mix of sweet and sour which gives a special taste. What regulates their…