We show you where it will be installed and what the world's largest optical telescope will be like in a few years, the European Extremely Large Telescope (EELT). It will be over 39 meters in diameter and one of its fundamental and most delicate pieces is the M4 adaptive mirror, which is only two millimeters thick and 2.5 meters in diameter. More details on the E-ELT .
Video: Video: this will be the European Extremely Large Telescope
Slaves and Disabled: Forced Medical Test Volunteers
The main problem to carry out medical research is to have willing volunteers for it. And if they come out for free, much better. This is the story of unethical behavior in medical research.
How are lightning created?
Summer is synonymous with sun, but also with storms. Who has not contemplated one from the protection that the home gives that electrical display that is lightning?
How global warming will affect astronomy
Astronomical observations around the world will worsen in quality as a result of climate change, according to a new study.
New images of Saturn's rings in stunning detail
New images of Saturn's rings in stunning detail
NASA discovers more than 50 areas that emit exorbitant levels of greenhouse gases
NASA's 'EMIT' spectrometer locates has targeted Central Asia, the Middle East and the US among others.