Tagged Questions
4
votes
1answer
32 views
Is there a naturally occuring sound pressure level reference?
There are lots of devices that purport to measure the absolute value of sound pressure levels. Here is an example, here's another, there's also this iPhone App. Putting such devices side-by-side in ...
1
vote
1answer
244 views
Why does an infrared thermometer display very low temperature when being directed to the outer air?
I'm toying with an infrared thermometer - one which you point onto an object, press the button and it instantly measures the temperature by estimating the infrared radiation from the object. It shows ...
4
votes
0answers
132 views
How do I measure the temperature of a tiny water droplet?
How do I accurately (+/- 0.1 degrees Celsius or better) measure the temperature of a small (5 to 50 microliter) water droplet without noticeably affecting its temperature?
The mass of a thermistor or ...
3
votes
3answers
220 views
How Is It Possible To Measure Extreme Temperatures? (>2M Deg)
Linked Article: Fusion: X-ray laser zaps solid to 2 million degrees
The quest to create nuclear fusion may have come a step closer when scientists heated solid matter to two million degrees with ...
