User Jus12 - Physics Stack Exchange

bio	website
	location
	age
visits	member for	2 years, 1 month
	seen	Jun 13 at 5:14
stats	profile views	16

	448 reputation	bio	website		visits	member for	2 years, 1 month
38 badges		location			seen	Jun 13 at 5:14

2

3

votes

2

answers

75

views

Is it possible to use quantum mechanics for an effective time based encryption?

quantum-mechanics quantum-information

2d ago Community♦ 1

1

2

votes

1

answer

116

views

Is it possible to send a single photon from a distant planet (say Mars) and detect its arrival at a site on Earth?

jul 12 '12 at 17:25 straups 211

3

8

votes

2

answers

651

views

Do photons lose energy while travelling through space? Or why are planets closer to the sun warmer?

astronomy energy heat photons sun

jan 3 at 17:47 Andrey Vihrov 103

2

12

votes

2

answers

229

views

Dumbed-down explanation how scientists know the number of atoms in the universe?

astronomy universe

1d ago Pulsar 1,181

1

14

votes

2

answers

286

views

How deep is the Great Red Spot?

astronomy fluid-dynamics planets atmosphere jupiter

dec 27 at 20:33 Nathaniel 6,327

2

4

votes

1

answer

137

views

What day/night cycles, climate and seasons would experience Alpha Centauri Bb inhabitants?

astronomy astrophysics planets exoplanet

jan 12 at 23:33 Chris White 8,900

2

9

votes

2

answers

650

views

Is the CMB rest frame special? where does it come from?

cmb

nov 5 at 19:04 ghoppe 1,194

18

32

votes

7

answers

7

kviews

What Is Energy? Where did it come from?

energy

mar 29 '12 at 22:37 Terry Bollinger 5,539

1

4

votes

1

answer

37

views

Relationship between the cosmic microwave background (CMB) radiation and the visible universe

cmb

jul 18 '11 at 9:35 Jus12 448

4

13

votes

1

answer

385

views

What percentage of the sky is occluded by stars?

astronomy

aug 29 at 16:16 FrankH 4,829

1

0

votes

1

answer

61

views

Would we feel the rotation of a rotating habitat?

newtonian-gravity equivalence-principle centrifugal-force rotation reference-frame

may 5 '12 at 13:42 dmckee♦ 22.3k

1

4

votes

2

answers

129

views

Would the arms of a rotating ice skater still move outwards if there was no other object in the universe?

angular-momentum rotation reference-frame machs-principle

may 7 '12 at 1:45 Helder Velez 1,510

2

3

votes

6

answers

3

kviews

What is Energy made of?

energy mass mass-energy

dec 26 at 15:14 Qmechanic♦ 18k

1

2

votes

3

answers

612

views

Particle antiparticle annihilation-do they have to be of the same type?

antimatter

oct 23 '11 at 18:30 Ron Maimon 45.5k

3

6

votes

7

answers

3

kviews

Electromagnetic fields vs electromagnetic radiation

electromagnetism electromagnetic-radiation

apr 19 at 22:33 dmckee♦ 22.3k

4

3

votes

3

answers

310

views

How to think physically about basic “fields”

mathematical-physics thermodynamics

apr 24 '11 at 14:11 Peter Morgan 5,685

15

26

votes

2

answers

3

kviews

What can the D-Wave quantum computer do?

quantum-information quantum-computation

sep 13 '11 at 3:34 Joe Fitzsimons 5,666

2

9

votes

2

answers

2

kviews

Do anti-photons exist?

particle-physics antimatter

aug 17 '11 at 7:17 David Zaslavsky♦ 28.1k

4

10

votes

2

answers

772

views

How Did Paul Dirac Predict The Existence of Antiproton?

history antimatter particles

jul 21 '11 at 16:05 Frédéric Grosshans 5,485

2

3

votes

3

answers

968

views

are particles “knots” or “kinks” of excitation in a field?

quantum-field-theory particles

jan 15 '11 at 19:31 Rafael 1,314

3

11

votes

4

answers

2

kviews

Is energy really conserved?

energy-conservation

mar 5 '11 at 15:27 Helder Velez 1,510

20

37

votes

14

answers

7

kviews

Why does kinetic energy increase quadratically, not linearly, with speed?

newtonian-mechanics energy kinematics speed

may 19 at 10:40 malbert 1

1

vote

0

answers

89

views

Confusion with infinity and time [closed]

cosmology spacetime time

sep 7 '11 at 21:11 Layke 106

Jus12

23 Favorites