Poll: Faster than the speed of light?

[Baldbloke]

Two photons travelling towards each other. Each travelling at the speed of light. To an observer, the gap is closing at twice the speed of light?

Answer:

A; Yes
B; No
C; My brain hurts.
D; Never mind all that stuff, What's for me tea?

 

[Efour]

b


or e.

 

[Freakbro]

Do not try to bend spacetime, that's impossible. Instead, only try to realise the truth. There is no spacetime.

 

[Spannerhead]

definitely D

where is my cooked dinner ?

 

[sanaxe1]

They cancel each other out and are traveling at the speed of dark.

 

[platinum87]

The answer is A, YES

Edit you almost tricked me.

A and B are both possible but you've not specified enough details

 

[GizF1]

The gap between 2 objects is shrinking at twice the speed of light

The gap itself is not travelling at twice the speed of light

 

[Hagar]

Two photons travelling towards each other. Each travelling at the speed of light. To a chicken the gap is closing at twice the speed of light, will she be able to cross the road safely?

 

[Freakbro]

What about if the photon was on a treadmill...?

 

[Yaayuh!]

A and B

 

[robgmun]

 

[MrRockliffe]

The gap can close at greater than the speed of light but that doesn’t mean any information is being transferred at greater than the speed of light

 

[Trifid]

So to travel to Mars at twice the speed of light in a vacuum, all I need to do is:
a) Get myself to the speed of light (in a vacuum)
b) Move Mars towards me, at the speed of light (in a vacuum)

Sounds easy enough, who's in?

 

[adidan]

 

[Chuk_Chuk]

So to travel to Mars at twice the speed of light in a vacuum, all I need to do is:
a) Get myself to the speed of light (in a vacuum)
b) Move Mars towards me, at the speed of light (in a vacuum)

Sounds easy enough, who's in?

You also need to slow it down or it won't be pretty result

 

[413x]

There's no reason it can't be A.

 

[Trifid]

You also need to slow it down or it won't be pretty result

Damn, I knew I was missing something important.

 

[Hawk Tuah]

Two photons can't be observed like watching two objects with mass running into each other.

This is a very similar question to 'what is the speed of dark', which VSauce did a very good video on.

At about 7:30 in he answers a very similar question.

 

[SexyGreyFox]

I hope they were paying Road Tax

 

[Yaayuh!]

I'm not going down another photon rabbit hole again but I would like stop and say that photons are awesome.

They don't have a mass but can act like they do and they're particles but also waves.