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Floris
  • Member for 8 years, 11 months
  • Last seen this week
  • New England (USA)
323 votes

Can I compute the mass of a coin based on the sound of its fall?

210 votes
Accepted

Why does a mirror split my laser beam?

183 votes
Accepted

When separating an Oreo cookie, why does the cream stick to just one side only?

126 votes
Accepted

How to measure the wavelength of a laser pointer?

122 votes

Can we theoretically balance a perfectly symmetrical pencil on its one-atom tip?

121 votes
Accepted

Why does my wooden door disperse light into a rainbow color spectrum?

102 votes

Why do atomic clocks only use caesium?

100 votes
Accepted

How can a butterfly dodge the windshield of a fast moving car?

95 votes

If water is not a good conductor, why are we advised to avoid water near electricity (no wet hands near circuits etc.)?

91 votes

Explain it to me like I'm a physics grad: Greenhouse Effect

84 votes
Accepted

Why is the vibration in my wire acting so oddly?

83 votes
Accepted

Why don't molecules of a gas settle?

79 votes

How is water heavier than petrol, even though its molecular weight is less than petrol?

79 votes
Accepted

How do laser "tape measures" work?

76 votes

Why don't fluorescent lights produce shadows?

71 votes
Accepted

What causes the Sun to appear to be in front of a building in this picture?

69 votes

Why do travelling waves continue after amplitude sum = 0?

68 votes

Can I compute the mass of a coin based on the sound of its fall?

65 votes
Accepted

How do photons get into the eyes?

60 votes
Accepted

Why doesn't light affect a compass?

56 votes
Accepted

Is this kids experiment a legitimate way to show that air has mass?

55 votes
Accepted

Why are gold mirrors yellow?

54 votes
Accepted

Why is the sun brighter in Australia compared to parts of Asia?

51 votes
Accepted

Was Titanic's captain's decision correct?

51 votes
Accepted

Which requires more energy: walking 1 km or cycling 1 km at the same speed?

51 votes

How can a full moon be seen south of an observer's location?

50 votes
Accepted

Why are arched bridges stronger than flat bridges?

49 votes
Accepted

How close can you get to lava before burning?

48 votes
Accepted

Are we seeing everything in a delayed manner?

47 votes

Why don't choir voices destructively interfere so that we can't hear them?

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