Physicists observe ‘negative mass’

_95701366_a4000135-bose-einstein_condensate_research-spl

Source: BBC

Physicists have created a fluid with “negative mass”, which accelerates towards you when pushed.

In the everyday world, when an object is pushed, it accelerates in the same direction as the force applied to it; this relationship is described by Isaac Newton’s Second Law of Motion.

But in theory, matter can have negative mass in the same sense that an electric charge can be positive or negative.

The phenomenon is described in Physical Review Letters journal.

Prof Peter Engels, from Washington State University (WSU), and colleagues cooled rubidium atoms to just above the temperature of absolute zero (close to -273C), creating what’s known as a Bose-Einstein condensate.

Read more

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s