Mr. Erlinder has said the evidence he presented in court suggests that members of the current, Tutsi-led Rwandan government — not Hutu extremists — shot down the plane, challenging the conventional narrative of the event that helped set off the genocide.
At least 26 countries are now assisting in the search for the plane, intensifying challenges of co-ordinating ground, sea and aerial efforts.
Others have used the folded plane to challenge classical notions of hierachy.
Paper Airplane Challenge Fold and decorate paper airplanes, then have a contest to see whose planes fly the farthest.
The violence in Libya, where Muammar Qaddafi has responded to uprisings with live ammunition and war planes, may challenge "this zeitgeist that has been sweeping the region, this idea that suddenly people are no longer afraid," Steavenson says.
Performance on this task was likely not perfect, because interpolating the angle of an edge defined by the intersection of two planes is challenging (Pani, William, & Shippey, 1998).
But during a flight over his area in a small plane, the dizzying challenge of border security twisted and turned with the Rio Grande.
In a letter to Citizens for Better Medicare that was distributed on his campaign plane, Mr. Gore challenged the group's leaders to make public its donor list and show who was behind it, saying, "The American people deserve to know who exactly is trying to influence this critical issue".
The estimation of signal information and complexity in the TF plane is quite challenging.
"While it seems that so far, there are no immediate challenges planed, it can be suspected that there will be no lack of possible plaintiffs.
