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Lucas
  • Member for 9 years, 10 months
  • Last seen more than a month ago
  • Australia
47 votes
7 answers
10k views

If I am travelling on a car at around 60 km/h, and I shine a light, does that mean that the light is travelling faster than the speed of light?

23 votes
5 answers
4k views

How close does light have to be, to orbit a perfect sphere the size and mass of Earth?

12 votes
3 answers
19k views

What is the color of a mirror?

10 votes
3 answers
29k views

Why does your reflection stay the same size when you move further away from the mirror?

10 votes
1 answer
57k views

Why do balloons deflate?

7 votes
6 answers
51k views

Where on Earth can you find plasma?

4 votes
2 answers
2k views

How do magnetically levitated trains (maglevs) stay on the tracks?

4 votes
2 answers
31k views

Why does your reflection suddenly turn upside down while slowly walking away from a curved mirror?

4 votes
2 answers
6k views

What would jumping into a pool and feeling cold be called? Conduction, or convection?

2 votes
2 answers
23k views

Is water considered a substance with low friction or high friction?

1 vote
3 answers
4k views

Is it possible to hear the past?

1 vote
2 answers
737 views

What's the difference in subatomic structure between a conductor and a non-conductor?

0 votes
5 answers
2k views

Would adding water after heating decrease the overall heat, when compared to adding the water before heating for the same period of time?

0 votes
2 answers
1k views

Does travelling light help us see past versions of an object?

-1 votes
4 answers
15k views

If hydrogen and helium are lighter than air, why won't liquid hydrogen and liquid helium defy gravity?