The sensors have many potential practical uses - in Government buildings, train carriages, cargo containers, on a soldier's lapel - and are a thousand times cheaper than current sensors that are used for the same purpose. ↗
I am bound to add that the excess in too little has ever proved in me more dangerous than the excess in too much; the last may cause indigestion, but the first causes death. ↗
For, he that expects nothing shall not be disappointed, but he that expects much - if he lives and uses that in hand day by day - shall be full to running over. ↗
For the first time in history we can track the evolution of a pandemic in real time. Influenza viruses are notorious for their rapid mutation and unpredictable behaviour. ↗