Skip to main content
Hisham's user avatar
Hisham's user avatar
Hisham's user avatar
Hisham
  • Member for 5 years
  • Last seen more than a month ago
14 votes
3 answers
3k views

Do protons have a shape?

12 votes
3 answers
2k views

Why does the nucleus not repel itself? [duplicate]

8 votes
4 answers
10k views

How does ice melt when immersed in water?

8 votes
2 answers
2k views

Why use gamma over alpha radiation?

8 votes
1 answer
527 views

Why is pizza soggy after microwaving?

4 votes
3 answers
682 views

Why use ultrasound for medical imaging? [closed]

3 votes
7 answers
5k views

Why is high voltage dangerous?

3 votes
1 answer
464 views

How does an alternator produce AC?

3 votes
2 answers
506 views

Why doesn’t the beta particle stay in the nucleus

2 votes
5 answers
2k views

Does Archimedes principle account for depth?

2 votes
2 answers
132 views

Newton's third law not evident when pushing a light object?

2 votes
2 answers
101 views

How do phone loudspeakers work?

1 vote
1 answer
479 views

Scale diagram confusion

1 vote
1 answer
42 views

Clarification on temperature's relationship to container volume

1 vote
4 answers
861 views

What is buoyancy?

1 vote
3 answers
107 views

Air drag on a projectile [closed]

1 vote
2 answers
2k views

What is meant by “changing magnetic field”

1 vote
1 answer
599 views

Thermistors and their resistance

1 vote
3 answers
435 views

In a collision, what causes solids to break?

0 votes
1 answer
96 views

How can sunlight cause skin cancer? [closed]

0 votes
2 answers
61 views

Could a skydiver levitate?

0 votes
2 answers
185 views

How do microwaves communicate with satellites?

0 votes
2 answers
233 views

Density of ice < water?

0 votes
1 answer
1k views

How is force exerted by an object in collision calculated?

0 votes
0 answers
294 views

How does a concave lens form a virtual image?

0 votes
1 answer
473 views

How do electrons gain energy in a cell?

0 votes
1 answer
44 views

What are some reputable databases for the measured values of the physical properties of materials?

0 votes
0 answers
20 views

How do you determine current directions in a circuit with multiple voltage sources? [duplicate]

0 votes
2 answers
606 views

How do I determine which direction a current is travelling in a wire when it has two junctions?

0 votes
1 answer
1k views

Can density replace buoyancy?