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Gnubie
  • Member for 12 years, 3 months
  • Last seen more than a month ago
24 votes
5 answers
65k views

How does the Eco-Cooler air conditioner really work?

23 votes
7 answers
20k views

Why planes have propellers in front but watercraft have them behind?

9 votes
1 answer
4k views

How does nuclear war look like from space?

8 votes
2 answers
8k views

How many grams of explosive are equivalent to the energy in a battery?

7 votes
2 answers
1k views

Why doesn't the sun reflect off Earth's oceans from space like a billiard ball?

6 votes
0 answers
838 views

When does water decrease or increase friction?

6 votes
2 answers
3k views

Gravitational potential outside Lagrangian points or Lagrange points

5 votes
2 answers
4k views

What do bullet trails really look like?

5 votes
1 answer
1k views

Why "colours" of light are given in wavelength not frequency?

3 votes
3 answers
665 views

How to smooth the spectrum of a light source?

2 votes
3 answers
485 views

Effect of surface treatment on fair dice

2 votes
2 answers
578 views

Does unity drag coefficient have special meaning?

2 votes
0 answers
203 views

How does lightning flip a car?

1 vote
0 answers
90 views

Any liquid metallic alloys which are safe to handle with bare hands?

0 votes
1 answer
293 views

Factors affecting pain of static electricity shock

0 votes
0 answers
75 views

What dynamic range is needed to photograph the moon and the sun in the same frame?

0 votes
1 answer
62 views

Why do some microwave meal instructions violate the 'Specific Absorption Rate' rule?