So two resonant objects talk to each other on the same frequency and by doing this they are able to exchange energy efficiently. One object would be a sender and be attached to energy, and the other one a receiver.Most businesses, small or large, will be impacted by an external event at some stage. This could be anything from a dramatic event such as fire or flood, or something more humdrum but potentially very damaging such as a technology disruption or a supplier failure. And while you cannot predict what problem may befall your business, you can limit its impact by planning and preparation.There is another occupational hazard with which laptop users will be familiar. You remember to take your charger with you when you’re on the move. Unfortunately it’s easy to forget to take it with when you go home. A spare will serve you well in this scenario too. There’s nothing more frustrating than being unable to work or communicate because you can’t charge up.