Abstract: To address the limited feature representation capability of existing time–frequency methods in analyzing nonstationary vibration signals and the inability of fixed transforms to capture ...
On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...
Green Matters on MSN
Researchers find alien-looking sea creatures in Colombia's seas that predate dinosaurs
These creatures are so fragile that the moment they are pulled out from the water, they collapse and disappear.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results