The spring is a marvel of human engineering and creativity. For one, it comes in so many varieties—the compression spring, the extension spring, the torsion spring, the coil spring, etc.—all of which serve different and ...
General Physics
Feb 16, 2015
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61
(PhysOrg.com) -- An archaeologist from The Australian National University has uncovered the world’s oldest evidence of deep sea fishing for big fish, showing that 42,000 years ago our regional ancestors had mastered ...
Archaeology
Nov 25, 2011
5
2
Hook and loop fasteners have become commonplace features of both industry and households. However, they have one snag: they are too weak for many applications. Hook and loop fasteners made of spring steel have now been developed ...
Engineering
Sep 3, 2009
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0
An archaeologist from The Australian National University (ANU) has uncovered the world's oldest known fish-hooks placed in a burial ritual, found on Indonesia's Alor Island, northwest of East Timor.
Archaeology
Dec 11, 2017
2
274
(Phys.org)—A large team of Japanese researchers affiliated with multiple institutions working at a dig site on the south side of the island of Okinawa has found what are believed to be the oldest examples of fishing hooks ...
The bending of a hook into wire to fish for the handle of a basket is surprisingly challenging for young children under eight years of age. Now, cognitive biologists and comparative psychologists led by Isabelle Laumer and ...
Plants & Animals
Nov 9, 2018
7
1013
The Tlingit and Haida, indigenous peoples of the Northwest Coast (NWC), have used carved wooden hooks to catch halibut for centuries. As modern fishing technology crept into use, however, the old hooks practically disappeared ...
Ecology
Feb 15, 2017
0
108
Startling data fresh off an eight-year tiger shark study in French Polynesia shows severe impacts the creatures of the sea face long after they are cut loose from fishing lines.
Plants & Animals
Jan 15, 2020
0
133
A giant manta ray with several fishing hooks caught below its eye appeared to ask two nearby divers for help in removing them, and then waited patiently for them to do so.
Plants & Animals
Jul 15, 2019
0
48
Over billions of years, the southern uplands of Mars have been pockmarked by numerous impact features, which are often so closely packed that they overlap. One such feature is Hooke crater, shown in this frost-tinged scene, ...
Space Exploration
Sep 19, 2014
0
0
