While humans can escape the heat by seeking shade or shedding layers, plants remain rooted in place. So how do they survive ...

Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings ...

California lawmakers, whose state is home to the most advanced artificial intelligence developers, are concerned that Congress is not prepared to respond to a job market where AI takes over entry ...

Climate experts warn that the recent flash floods in Texas could happen here in California.

NASA research aircraft will conduct low-level flights over California to collect data on air pollution and greenhouse gases. Flights will occur between June 29 and July 2 over the Los Angeles ...

System-level test (SLT) has evolved into a necessary test insertion for high-performance processors and chiplets.

Level 3 "Go Now" evacuations were downgraded to Level 2 Thursday for a brush fire sparked after a vehicle crashed into a power pole in Marion County.

This video is an introduction to shear force and bending moment diagrams. What are Shear Forces and Bending Moments? Shear forces and bending moments are resultants which are used to conveniently ...

CSMA/CA, the contention mechanism of the IEEE 802.11 DCF medium access protocol, has recently been found vulnerable to selfish backoff attacks consisting in nonstandard configuration of the ...

In this paper, we present a multi-channel carrier sense multiple access with collision avoidance (CSMA/CA) protocol for orthogonal frequency division multiple access (OFDMA) systems. The CSMA/CA ...

The deficit for the first half of the year was higher than in the first five months of 2025, when it stood at 1.5% of GDP. In the first half of 2024 the deficit stood at 0.3% of GDP.