[Physics]Negative Mass

[Laser402]

Xray's have mass? Right....

They have momentum but they do not have mass, they are EM waves the same as visible light/radio waves/cosmic waves etc.

 

[Dj_Jestar]

I was under the impression they have mass, hence why they can be used to make photographic images in the way they do. I'm not educated in this, unless you count Wikipedia and Discovery Channel as educational organisations. Just the same as "traditional" light has mass, and can be used by solar sails..

 

[Laser402]

No, Xray Images are just the different materials that the Xray passes through. Denser materials take more energy from the wave and shows as different shade, hence bone is a different shade to flesh.

Im not sure on how Solar Sails work but id assume it has something to do with high level of physics like how something can have momentum but no mass

 

[Sinny]

Id read it to the 2012 particle collision project Gilly, sounds interesting but really worrying at the same time.

http://popsci.typepad.com/popsci/2007/07/the-large-hadro.html

 

[Fusion]

I was under the impression they have mass, hence why they can be used to make photographic images in the way they do. I'm not educated in this, unless you count Wikipedia and Discovery Channel as educational organisations. Just the same as "traditional" light has mass, and can be used by solar sails..

Photons (the mediating particles of the Electromagnetic force, X-rays and light are both types of EM radiation) don't have mass, but they do have momentum.