It is a good start that demonstrates theory is correct. It will be a long time before we get one or get one that can be used in practical situations. Yet this is a step up from simple imagination.
The tractor beam has been a staple of science ficton from the beginning. However else can you move objects in space without engaging massive hardware?
Now we wait a long time.
Reversible tractor beam can repel and attract objects
October 20, 2014