293 reputation
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location Singapore
age 23
visits member for 2 years, 3 months
seen Sep 12 at 4:04

I've a knack for pondering.





Autodidact of various trades, geek of several.                                        #13 in SO/SG


Sep
24
awarded  Autobiographer
Sep
11
revised Is a “shift in the meaning” of Accuracy and Precision occurring?
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Sep
11
revised Is a “shift in the meaning” of Accuracy and Precision occurring?
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Sep
11
revised Is a “shift in the meaning” of Accuracy and Precision occurring?
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Sep
11
comment Is a “shift in the meaning” of Accuracy and Precision occurring?
...............It's true that the BIPM wanted "(a)" and "(b)"—in fact, no one said that that's untrue—, but look at the question again: quote "Is shift in meaning really occurring in the physics/measurement community at large?" unquote. Answer is No, shift in meaning is not really occuring in the "measurement community" at large. ("measurement community" means the whole world, "measurement community at large" also means the whole world)
Sep
11
comment Is a “shift in the meaning” of Accuracy and Precision occurring?
@DavidHammen, That's ok, but your comment proves that my answer is correct. As I've mentioned, metrology (science of measurement) is not the only field doing measuring. Everyone is doing measurements and the concepts of systematic and random error do not only exist within metrology; they have been addressed in other fields as well.....................................
Sep
11
awarded  Teacher
Sep
11
revised Is a “shift in the meaning” of Accuracy and Precision occurring?
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Sep
11
revised Is a “shift in the meaning” of Accuracy and Precision occurring?
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Sep
11
answered Is a “shift in the meaning” of Accuracy and Precision occurring?
Jul
10
comment Travelling faster than the speed of light
@Lawrence, You didn't actually answer the question...
Jul
10
revised Second law of Thermodynamics: Why is it only “almost” always true that entropy is non-decreasing?
copyedit​​​​​​
Jul
10
suggested suggested edit on Second law of Thermodynamics: Why is it only “almost” always true that entropy is non-decreasing?
Jun
9
awarded  Popular Question
Jan
24
revised Does the presence of atoms hinder current flow?
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Jan
24
asked Does the presence of atoms hinder current flow?
Jan
24
comment Is a superconductor really a super conductor?
@anna, I mean did we actually observed 0.0000000... up to like 200 decimal places? Because if we did, we can say it's practically zero. Or did we actually observed data for only ~10 decimal places?
Jan
22
comment Is a superconductor really a super conductor?
@anna, When you say "epsilon delta relationship", do you mean "yes, exactly 0.000000000 resistance is possible" or do you mean "no, we can never get exactly 0.000000000 resistance"?
Jan
19
comment Why doesn't the magnetic field of a coil “cancel out”?
As such, is it true to say that the brown arrow was drawn wrongly, and should have been drawn as the green arrow in: i.stack.imgur.com/EZYHc.png ?
Jan
19
comment Why doesn't the magnetic field of a coil “cancel out”?
the green arrow shows the field going out of the page from the top, and entering the page from the bottom. However, the brown arrow shows the field going out of the page from the bottom, and entering the page from the top. That's two opposite directions isn't it?