In the case of the MIT project, a 1.9 μm thulium laser produces a beam tuned to water vapor at power levels that are not harmful to your eyes. The water vapor around your ears — and there is a ...

If you’re familiar with using a compass (the tool that points to magnetic north, not the one that makes circles) the concept of holding the device level makes sense. It must be level for the ...

Significant improvements (p < 0.05) were detected from preeducation to posteducation knowledge assessments in the following areas: placement of pinch, plugging nostrils, tilting head forward ...

These became the best car headlights money could buy - briefly. Soon Audi and BMW came along with laser lights, which pushed the automotive illumination envelope further still. How soon will the ...

the ‘head tilt’ gets me every time! this little girl is adorable…the only caption i can think of for the photo is ‘why the heck am a still here?” Volunteer Lois Chisholm MaryJo is a beautiful young ...

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The head-up tilt test has been established as an important diagnostic tool in the unmasking of vasovagal syncope in patients with unexplained syncope. Its role in the evaluation of patients with ...

Background Head-up tilt testing is a useful test for investigating vasovagal syncope. The determination of early, accurate, predictive criteria for a negative result would permit a reduction in the ...