S&T QUE
1. Recently researchers at the University of Minnesota (US) have discovered ferromagnetic properties in this chemical element at room temperature a. Platinum b. Iridium c. Ruthenium d. Strontium About Ruthenium (Ru) • It belongs to the platinum group, has atomic number 44 and is mostly used in the electronics industry for chip resistors and electrical contacts. • It is the fourth element to have unique magnetic properties at room temperature. • Other than this only three elements have been found to be ferromagnetic at room temperature - iron (Fe), cobalt (Co), and nickel (Ni). 2. GRAVITYRAT found in recent news is related to a. A computer malware b. Genetically modified rat for experimentation c. NASA's new mission d. Defence ministry's new initiative to keep a vigilant eye on China About Gravity RAT • It infiltrates a system in the form of an innocuous looking email attachment, which can be in any format, including MS Word, MS Excel, MS Powerpoint, Adobe Acrobat...