Although the ohm is ‘only’ a derived SI unit, the assumption that it plays an unobtrusive role could not be further from the truth, as Karin Cedergren reveals. In the middle of the 19th century, it ...

THE concept of resistance to flow is widely used by physiologists and clinicians when inferring vessel behaviour from pressure and flow data. For a great number of years ‘resistance to flow’ has been ...

• The Iranian regime, facing a nation demanding regime change, is currently grappling with significant existential challenges. This is primarily due to the escalating activities of Resistance Units ...

Arsène Tchakarian, a French Resistance fighter who survived the execution of much of his unit in 1944, died August 4 at the age of 101. He was the last surviving member of the Groupe Manouchian, a ...