User user46147

71 votes

3 answers

9k views

Why is dry soil hydrophobic? Bad gardener paradox

asked Jul 11, 2019 at 17:39

25 votes

8 answers

17k views

What are the dimensions, width and length, of a photon?

asked Jan 23, 2015 at 17:08

20 votes

3 answers

37k views

Is it possible to kill a human with a powerful magnet?

asked Jun 19, 2014 at 20:03

12 votes

2 answers

8k views

How did Planck derive his formula $E=hf$?

asked Apr 12, 2015 at 19:05

11 votes

5 answers

2k views

Why are some energies dependent on reference frame, and some are not? And why is transfer between them possible?

asked Mar 27, 2020 at 14:45

8 votes

3 answers

2k views

Can you make a laser without cavity, if you have a pump strong enough? I think no, but is my reasoning correct?

asked Apr 12, 2020 at 9:42

8 votes

3 answers

2k views

Are there materials that get softer with temperature decrease?

asked May 27, 2014 at 19:43

7 votes

2 answers

13k views

What are hot electrons?

asked May 10, 2014 at 8:39

6 votes

3 answers

212 views

Relativistic space rocks. Are they possible?

asked Nov 6, 2018 at 19:05

5 votes

3 answers

661 views

Medical X-Ray - why no diffraction?

asked Oct 20, 2017 at 20:58

5 votes

2 answers

4k views

What is the difference between surface plasmon and surface plasmon polariton?

asked Jul 3, 2014 at 12:55

5 votes

1 answer

496 views

Why does aluminium-on-glass mirror work without distortion?

asked Apr 30, 2015 at 17:35

5 votes

1 answer

212 views

Iridescent duck and photonics in nature. Why duck's head is only green?

asked Mar 6, 2022 at 16:21

4 votes

2 answers

401 views

Water bombing - risks and possibilities

asked Oct 14, 2015 at 21:08

4 votes

0 answers

160 views

Gravitational atraction of fast object [duplicate]

asked Jul 18, 2014 at 23:02

4 votes

2 answers

488 views

Are all fluorophores dipoles?

asked May 11, 2014 at 15:16

4 votes

1 answer

633 views

Why are agglomerated gold nanoparticles black?

asked Jan 10, 2016 at 18:37

3 votes

2 answers

138 views

What is crater's influence on laser ablation?

asked Dec 11, 2015 at 13:34

3 votes

6 answers

4k views

Is it possible to produce gamma radiaton using radio emitter?

asked May 19, 2014 at 17:00

3 votes

1 answer

567 views

Can a single photon induce current in a very small coil?

asked May 20, 2014 at 20:57

3 votes

3 answers

2k views

Gas pressure and centrifugal force

asked Jul 21, 2014 at 19:17

3 votes

2 answers

503 views

Why does smashing a TV remote load its batteries?

asked Jul 22, 2014 at 21:04

2 votes

1 answer

426 views

Demagnetisation by throwing a magnet

asked Sep 4, 2014 at 12:50

2 votes

2 answers

327 views

What is light localisation?

asked May 11, 2014 at 16:01

2 votes

1 answer

250 views

What happens to charge during laser ablation in water?

asked Jun 29, 2015 at 19:35

2 votes

4 answers

1k views

Nonlocal dielectric function - what does it mean?

asked Aug 19, 2015 at 21:47

2 votes

1 answer

79 views

Subluminal speed when going in a circle around someone

asked Dec 25, 2014 at 15:58

2 votes

0 answers

150 views

Plasmon quenching vs plasmon decay. What is the difference?

asked Apr 29, 2016 at 12:54

2 votes

1 answer

4k views

What is the difference between agglomeration and aggregation of nanoparticles?

asked Jan 10, 2016 at 21:54

2 votes

1 answer

76 views

Corrections to plasmons theory. (History of Plasmons)

asked Apr 17, 2018 at 12:32

Stack Exchange Network

90 Questions

Why is dry soil hydrophobic? Bad gardener paradox

What are the dimensions, width and length, of a photon?

Is it possible to kill a human with a powerful magnet?

How did Planck derive his formula $E=hf$?

Why are some energies dependent on reference frame, and some are not? And why is transfer between them possible?

Can you make a laser without cavity, if you have a pump strong enough? I think no, but is my reasoning correct?

Are there materials that get softer with temperature decrease?

What are hot electrons?

Relativistic space rocks. Are they possible?

Medical X-Ray - why no diffraction?

What is the difference between surface plasmon and surface plasmon polariton?

Why does aluminium-on-glass mirror work without distortion?

Iridescent duck and photonics in nature. Why duck's head is only green?

Water bombing - risks and possibilities

Gravitational atraction of fast object [duplicate]

Are all fluorophores dipoles?

Why are agglomerated gold nanoparticles black?

What is crater's influence on laser ablation?

Is it possible to produce gamma radiaton using radio emitter?

Can a single photon induce current in a very small coil?

Gas pressure and centrifugal force

Why does smashing a TV remote load its batteries?

Demagnetisation by throwing a magnet

What is light localisation?

What happens to charge during laser ablation in water?

Nonlocal dielectric function - what does it mean?

Subluminal speed when going in a circle around someone

Plasmon quenching vs plasmon decay. What is the difference?

What is the difference between agglomeration and aggregation of nanoparticles?

Corrections to plasmons theory. (History of Plasmons)