Spike has been tested successfully as a shoulder-launched missile, and also fired from drones.

ECONOMIST: Cheap smart weapons

Drive-by-wire has been tested successfully in a Mercedes roadster and on simulators.

ECONOMIST: Drive by wire

This old- fashioned technique has been tested and used successfully over five decades.

FORBES: Vaccinate Health Care Workers

Although the BBC embedded player has been successfully tested against standard installations of browsers, some users have recommended clearing cache, and cookies, from their browsers.

BBC: Your guide to the BBC Embedded Media Player

When the parties to a transaction and the professionals facilitating it know that a given transaction format has been used before successfully after being stress tested and enforced in many forums under various circumstances, the risks of the deal are then limited to the specific business terms and market conditions rather than the formalities of the documents and their enforcement.

CENTERFORSECURITYPOLICY: Shariah��s Black Box

Currently, the support at the 30-week moving average and the trendline have been successfully tested again, and gold has rallied off those support levels and broken out above the previous resistance to a new high, a technically bullish event.

FORBES: You Still Have Time To Buy Gold