I guess it would be fair to say the modern version of the Lady Galadriel's light could be the LITEBUCK. For something good came out of the 2005 '7/7' London bombings - the genesis of LITEBUCK Strobe Marker was formed.
This was recently confirmed when Fitbit - the company that manufacturers a suite of devices that track your steps, calories burnt and active minutes - floated on the New York Stock Exchange in June 2015.
Ardent drysuited divers will probably all agree that there are many joys of diving in a wetsuit. A wetsuit is quick and easy to don and you are most likely to be diving in warm(er) waters. What a treat!
It is a trend that Fourth Element has noticed and it inspired them to produce something different for the diving community. An environmentally positive range of casual clothing that performs in a technical manner.
According to the press release the main design criteria behind the LIberty rebreather is fault-tolerance. It has been constructed with maximum operating depth 300m in mind. Every part is tested to 600m.