4,622 reputation
419
bio website embedinc.com/olin
location Littleton, Massachusetts
age 57
visits member for 1 year, 2 months
seen 4 hours ago

Electrical engineering consultant specializing in microcontrollers and the circuitry around them. Master of engineering in EE from Rensselaer Polytechnic Institute in 1980.

We are certified Microchip design partners, and have been in the top catagory consistantly since around 2000. Various free downloads related to developing PIC firmware and other things are available at http://www.embedinc.com/pic/dload.htm.


Mar
7
comment Why does shaking your head with short hair hurt?
@Cruncher: Yes.
Mar
7
answered Why does shaking your head with short hair hurt?
Mar
7
comment Why does shaking your head with short hair hurt?
What exactly is it that hurts? That could go a long way to explaining the cause.
Mar
7
comment Why does shaking your head with short hair hurt?
This reminds me of the Monty Python line "There's a bit of brain lodged in me 'ead!".
Mar
3
comment Wrong positioned Ampere-meter and Voltmeter
@Phil: You don't know what kind of load it is or anything about the battery. There are certainly cases where watching the battery voltage and current can be very useful in diagnosing a system or verying it is working correctly. Often the point is that you don't know the battery voltage. Batteries are not constant voltage sources. In fact, battery voltage as a function of temperature, time, state of charge, and current drain can be quite complicated. Battery monitoring and management can be complicated and non-trivial sub-systems.
Mar
3
comment Wrong positioned Ampere-meter and Voltmeter
This belongs on EE.SE (now why wasn't that obvious in the first place!?).
Mar
3
answered Wrong positioned Ampere-meter and Voltmeter
Mar
2
comment Why is a wine glass shaped the way it is?
Some of the "tasting" of wine is actually thru the nose. Wine glasses are in part designed to deliver vapors to your nose and liquid to your tongue at the same time.
Mar
2
comment The physics of sound boards
@John: Yes, that's basically what I am saying. The little area of the vibration string makes less sound than the large area of the soundboard, even though the displacement of the soundboard is less than that of the string.
Feb
25
comment What happens to bodies that lift each other up?
Huh? Too much handwaving. I lost track of who is doing what to whom. Also, just describe the problem, which probably wouldn't take more than 5 sentences. It doesn't sound like it should take any equations to explain the problem.
Feb
24
answered Question on conduction
Feb
24
comment Why does Leyden jars have a high breakdown voltage
Jars just look cooler. They also keep the 'triciy from spilling out.
Feb
22
comment 17 Joules of Energy From a Mouse Trap
Clearly 3.45 can't be the value of a torsion coefficient from dimensional analisys alone.
Feb
22
answered The physics of sound boards
Feb
22
answered Why doesn't the water spill out?
Feb
20
comment Do ideal gases at zero Kelvin have potential energy?
There can not be "gas" at 0K.
Feb
19
comment Where / what is the source of the force that causes refraction?
What makes you think the energy is related to speed in the medium?
Feb
19
comment What jobs can you get after Studying Physics at University?
Even someone with a physics major can wash windows, mop floors, and take out the trash, so there is always something. For a better job, you have to be able to do something actually useful.
Feb
19
answered Two suns, one moon, and one planet?
Feb
19
comment objects distorted by the earths curvature
The earth's curvature doesn't distort anything, at least not at human scale. At most these "chairs" will be at different tilts relative to you, assuming they are level at the other places you are trying to model. This question makes little sense.