Slower than a speeding bullet
In a recent issue of Physical Review Letters, Dr George Welch and his colleagues describe how to slow light down from 300m metres per second to a mere 90 metres per second by sending it through a hot
In a recent issue of Physical Review Letters, Dr George Welch and his colleagues describe how to slow light down from 300m metres per second to a mere 90 metres per second by sending it through a hot