In their work, they rationalize that in cavities as small as those between the tip and the STM sample an atomic size defect ...

in cavities as small as those between the tip and the STM sample, an atomic size defect is sufficient to trigger a significant redistribution of the electric field, which becomes quite distinct on ...

Some people have likened paediatric heart surgery to plumbing - and in principle, they are similar. Congenital heart defects leave the heart pumping the blood the wrong way - tubes are connected to ...

Instead, however, the toddler died at the age of two at Bristol Royal Infirmary. She had been born with a combination of serious heart defects in an age when surgery to correct them was in its infancy ...