Changes are also to be made at Ely where the junction has become a bottleneck, Network Rail said.

BBC: Lines between London and the east needs faster trains

Our results suggest that a neural network of frontal lobe areas acts as a central bottleneck of information processing that severely limits our ability to multitask.

FORBES: Why Multitasking Gets You Nowhere, Fast

The transmission network is not the only vulnerable part of the power supply chain, which is one giant bottleneck.

ECONOMIST: India��s electricity problems: An area of darkness | The