Fact, Myth and Hypothesis

Quantum coherence: myth or fact?

It has recently been argued that the inability to measure the absolute phase of an electromagnetic field prohibits the representation of a laser’s output as a quantum optical coherent state. This argument has generally been considered technically correct but conceptually disturbing. Indeed, it would seem to place in question the very concept of the coherent state. Here we show that this argumen...

Fact and Myth in Social Class Theory

Hypercalciuria following ceftriaxone a fact or myth

INTRODUCTION Nephrolithiasis is a common worldwide problem both in children and adults. Ceftriaxone as a widely used antibiotic can contribute to the formation of renal stones and hypercalciuria. OBJECTIVES To find the effect of ceftriaxone, a widely used antibiotic, on urinary calcium excretion rate in children. PATIENTS AND METHODS 84 infants and children over 3 months admitted to hospita...

Natural Gas Buses: Separating Myth from Fact

Increasing numbers of transit agencies across North America are making the choice to convert their bus fleets to compressed natural gas (CNG), and even more are seriously considering it. Natural gas buses now account for at least 20% of all new bus orders. However, it becomes difficult for fleet operators to fairly evaluate the potential benefits of an alternative fuel program if they are confr...

Regression of Glomerulosclerosis: Fact or Myth?

A number of studies has documented in the past, that most progressive renal diseases exhibit an apparently relentless, linear loss of glomerular filtration rate. New therapeutic options of supportive therapy (i.e. ACE-inhibitors, AT1receptor blockers etc.) allow to reduce or even arrest this linear function loss. Morever, these options even raise hopes that we may not only be able to reduce or ...