The world's biggest eye to watch the sky

Coinciding with the celebration of its 50th anniversary, the European Southern Observatory(ESO) has launched the construction of the telescope optical / infrared world's largest. The European Extremely Large Telescope (E-ELT) is a segmented mirror telescope 39.3 meters in diameter, located in Cerro Armazones (Chile), and will begin science operations early next decade. According to its proponents, will cover an area of ​​sky about one tenth the size of the full Moon. Be four to five times larger than the current state of the art facilities of this type, bringing together about 15 times more light.

The piece the longer it takes to design and build complex adaptive mirror will be the M4, which will be about 2.5 meters in diameter, but a thickness of only 2 mm, allowing its deformation as if it were a flexible sheet . M4 is responsible for correcting both the effects produced by atmospheric turbulence as the wind on the telescope structure. Once installed, this extraordinary deformable mirror to the E-ELT will reach the theoretical maximum for resolution.

Thus, and E-ELT will become "the world's biggest eye to watch the sky" and address some of the greatest scientific challenges of our time, including tracking of planets like Earth around other stars in the "habitable zones" where life could exist. Also perform "stellar archeology" in nearby galaxies. It also used to investigate the nature of dark matter and dark energy.

ESO is the foremost intergovernmental astronomy organization in Europe and the most productive astronomical observatory in the world. Fifteen countries support this institution: Germany, Austria, Belgium, Brazil, Denmark, Spain, Finland, France, Holland, Italy, Portugal, the United Kingdom, Czech Republic, Sweden and Switzerland. ESO is the European partner of another revolutionary astronomical telescope ALMA, the most ambitious astronomical project development.

Innovative Electrical Energy Generation

A new research in Leeds says that it can be possible now to capture Kinetic Energy that soldiers produce while marching and it can be converted to electrical energy.

This will help soldiers to reduce the weight of their bags up to 10 Kg. as they don't require to carry batteries anymore to charge their electronic equipments.

The cost of this project is around $1.64 million which will be funded by Engineering and Physical Science Research Council (EPSRC) and Defence Science and Technology Laboratory (DSTL).

DNA used as a hard disk to store data

After three years of work and a total of 750 attempts, Jerome Bonnet and colleagues at Stanford University (USA) have succeeded in developing a system to encode, store and erase digital data in the genetic material of living cells. In practical terms, scientists have created the genetic equivalent of a "bit", the smallest unit of digital information that can be represented with two values, zero or one, off or on. In this case, we used DNA segments that are "worth zero if pointing in one direction and taken as a value in the opposite direction," the researchers say. Data can be read easily, since the sections of DNA have been previously modified to glow with green or red depending on their orientation. And since it is a non-volatile memory stores information without consuming energy.



Having the ability to program and store data into the DNA of cells promises to be a useful tool to study cancer, aging, development agency ... For example, the device would count how many times a cell divides, and well find out at what point they become cancerous.

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