Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...
Eighteen new GNU releases in the last month (as of June 30, 2026): apl-2.0: GNU APL is a free interpreter for the programming language APL. It is an implementation of the ISO stan ...
The Council for the Indian School Certificate Examinations (CISCE) has released the ISC Computer Science (Subject Code - 868) for the Year 2027 evaluation cycle. It is designed specifically to make ...
On Jan. 26, 2026, the Submillimeter Array (SMA) on Maunakea crossed an important threshold for time-domain astronomy. For the ...
A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...
Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...
Abstract: Conventional beamforming with fixed-position antenna (FPA) arrays has a fundamental trade-off between maximizing the signal power (array gain) over a desired direction and simultaneously ...
Abstract: Tactile sensing is one of the indispensable ways for human beings to perceive the external environment. In addition to the skin surface, hairs covering a large area on human skin are ...
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