A 4cm sewing needle was removed from 24-year-old engineering student Prashant Chalotra's heart after doctors performed a tricky surgery using a magnet to extricate the needle. NEW DELHI: A few days ...

Imagine a tiny, untethered needle that can enter the body through an incision no larger than a pin prick to perform biopsies, suture wounds, and even deliver cancer-fighting chemotherapy directly to ...

For about ten years now, tiny magnetic structures measuring a few millionths of a millimetre have met with growing interest from the worlds of science and technology, particularly on account of their ...

A data point changes the polarisation: The detail of the sample shows how the magnetization is switched from upwards to downwards. © M. Kammerer / MPI for ...

Doctors at the All India Institute of Medical Sciences (AIIMS) in Delhi successfully extracted a sewing machine needle from a 7-year-old boy's lung using a potent magnet. The boy was admitted to the ...

An edge length of a mere thousandth of a millimetre and a thickness of a few millionths of a millimetre: these are the tiny dimensions of the platelets which the researchers in Hermann Stoll’s group ...

If shrunken down to micron size, a compass needle could wobble. (Courtesy: iStockphoto/tobias machhaus) A tiny magnetic needle just 10 μm long could be used to create a magnetic-field sensor that – if ...

A 24-year-old engineering student in Jammu, Prashant Chalotra returned home tired and went to sleep. Turning in his bed, he felt a sharp pinch on the left side of his chest. It was a needle that had ...

For about ten years now, tiny magnetic structures measuring a few millionths of a millimetre have met with growing interest from the worlds of science and technology, particularly on account of their ...