This, said Dr Waibel, made it very difficult for roboticists to share knowledge or for the field to advance rapidly because everyone started off solving the same problems.
Firms that spend money to publicly advance the field may be priced out by firms continuing to use the inefficient methods or copying the improvements and undercutting the price.
This advance in the field of Quantum Physics brings to light an often ignored aspect of investment strategy the relevance of the interdependence of asset classes in achieving investment results.
Another document seen by the Times is said to be a memo from Mohsen Fakhrizadeh, naming him as the chairman of the Field for the Expansion of Deployment of Advance Technology (Fedat) - which the newspaper says is a cover for a secret nuclear weapons programme.
Considered the world's most advanced sun-powered plane, the Solar Impulse took off from Moffett Field in Mountain View at first light for a two-hour practice run in advance of a planned multi-city, cross-country tour.