And on the sails, a coating of solar panels would trap energy from the sun.

BBC: RELATED BBC SITES

The new Shanghai stock exchange is built in the shape of a hollowed square to help trap positive energy, a nod to the ancient geomantic rituals of feng shui.

CNN: ASIANOW - TIME Asia | China: Inside China's Search for Its Soul

The only way out of the Development Trap, and the only route to sustainable development and an end to pervasive energy poverty is to make clean energy cheap.

FORBES: Without Affordable, Clean Alternatives, South Africa Turns to Coal

The detectors duly observed 38 bursts of energy which the team concluded came from antihydrogen atoms hitting the wall of the trap.

ECONOMIST: Antihydrogen atoms are captured for the first time

But in Dr Ghaffari's trap, the orbits of some of the positrons swelled in size, causing them to lose energy while looping back towards the entrance.

ECONOMIST: Antimatter

Dr Cirac and Dr Romero-Isart therefore propose putting the virus inside a microscopic cavity and cooling it down to its state of lowest energy (ground state, in physics parlance) using a piece of apparatus known as a laser trap.

ECONOMIST: An old thought experiment may soon be realised