You can also adjust brightness through the Display settings in the Control Panel with the following steps. 1  Open the Control Panel. 2  Click or tap the Display option.3  Look for a link or option titled Adjust brightness. Open the Control Panel. 2  Click or tap the Display option. 3  Look for a link or option titled Adjust brightness. 4  This option allows you to adjust the laptop brightness based on the power plan or setting being used, whether the laptop is running on AC power or battery power.
After its first flight in April 1983, Challenger quickly became the workhorse of NASA's Space Shuttle fleet, flying far more missions per year than Columbia. In 1983 and 1984, Challenger flew on 85% of all Space Shuttle missions.
In the case of the Columbia, he said, ''we have a shuttle that disintegrated at 200,000 feet. We don't have any videotape, and the wreckage is strewn out on land and probably more damaged than the Challenger was.'' Mr. Sensenbrenner and other lawmakers said today that Congress must quickly convene hearings into the loss of the shuttle.