IIT Madras researchers have discovered that atoms of nanoparticles made of two silver isotopes having just 25 atoms each rapidly exchanged their positions when the isotopes are mixed in solution. New particles composed of nearly 50% mixture of both isotopes were formed. This is akin to the exchange of hydrogen and deuterium atoms when normal … Continue reading Silver atoms of nanoparticles are mobile, IIT Madras team finds
Silver
IISc researchers observe superconductivity at ambient temperature, pressure
IISc researchers have for the first time been able to achieve superconductivity at ambient temperature and pressure. The resistance observed is very low (10-4 ohms) but not zero. Though they didn’t observe perfect Meissner effect (where the magnetic fields are completely expelled by the superconducting state), they did observe samples becoming strongly diamagnetic, which is consistent with … Continue reading IISc researchers observe superconductivity at ambient temperature, pressure
IIT Madras: Now, silver ‘grows’ in paddy fields
A rice variety originally from West Bengal is able to accumulate high concentration of the metal in its grain. It is a rice variety with a silver touch, literally. Garib-sal one of 505 types of rice plants tested by scientists, is capable of absorbing silver found naturally in soil and accumulating it in the grain … Continue reading IIT Madras: Now, silver ‘grows’ in paddy fields
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