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Phil Frost
  • Member for 9 years, 3 months
  • Last seen more than a month ago
  • United States
70 votes

Since cables carry electricity moving at the speed of light, why aren't computer networks much faster?

57 votes
Accepted

Why does wavelength affect diffraction?

55 votes

Is this really a golden ratio spiral?

42 votes
Accepted

Why are these periods the same: a low earth orbit and oscillations through the center of the earth?

35 votes
Accepted

Can a magnetic field exist without an electric field present?

34 votes
Accepted

Is it possible to overload a lightning rod?

14 votes

Are there any fluids that flow slower in a constricted region, unlike water?

8 votes

If visible light has more energy than microwaves, why isn't visible light dangerous?

8 votes
Accepted

When a planet has a high gravity, is it impossible to build and launch a successful chemical rocket to space?

7 votes

Batteries in series vs parallel

7 votes

Why does a swimmer cross a swimming pool in the same time as crossing a flowing river?

5 votes

Why does fire make very little sound?

5 votes
Accepted

How does the speed of electrons change around a circuit?

5 votes

Why don't two musical instruments sometimes generate destructive interference?

4 votes
Accepted

Maximum speed higher than the speed of light

4 votes

How does Ohm's law apply to superconductors?

3 votes

Why is capacitance defined as charge divided by voltage?

3 votes

Speed of electrons in a current-carrying metallic wire: does it even make sense?

3 votes

If centrifugal force isn't real then why am I being pushed on a merry go rournd?

3 votes
Accepted

How are electromagnetic waves differentiated?

3 votes

Light has a wave particle duality, how do we know?

2 votes

Can friction be brought in to zero value by means of laboratory experiments?

1 vote

Why Light and Observers have different laws of physics

1 vote

Acceleration in $F=ma$

1 vote

Surface charge in a wire?

1 vote

The workings of the Hall effect?

1 vote
Accepted

Is periscope window mathematically possible?

1 vote
Accepted

Effects of Relativity on an Object in Circular Motion

1 vote

Birds on a wire (again) - how is it that birds feel no current? They are just making a parallel circuit, no?

1 vote

Is the energy of a $1$ Volt $300$ MHz EM wave greater than a low frequency $200$ V EM wave?