Measurements of pressure at different temperatures with a fixed volume can be graphed to demonstrate the ideal gas law and absolute zero. Put the ethanol in a dewar and pre-cool it with dry ice. Put ...

PTB scientist Christof Gaiser at PTB's dielectric-constant gas thermometer, which is used to measure capacitance. (Courtesy: PTB) A new standard for pressure measurement that does not rely on ...

The past 25 years have seen tremendous progress in thermometry across the moderate temperature range of 1 K to 1,235 K. Various primary thermometers, based on a wide range of different physics, have ...

A gallon could go up as much as 10 cents, one analyst contends, but AAA says drivers aren't bothering to cut back. As the summer driving season kicks in with Memorial Day weekend, prices at the gas ...

Equipment: gas thermometer, ring stand, 3 2000ml beakers, gloves, mercury thermometer (-20 to 110 C), alcohol thermometer (-100 to 50 C), ice, water, dry ice and alcohol (precooled), hot plate ...