BEIJING, Jan. 23 (Xinhua) -- An international research team led by Chinese scientists has discovered chorus ... "We observed chorus waves with frequencies below 100 Hz. When we converted the ...

Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

In practice, one of the most recent incidents was in 2021, when approximately 3 GW of power were unexpectedly lost in Poland, causing the grid frequency to drop by 0.16 hertz. What this demonstrates ...

Abstract: Before radiotelegraphy could become a reality, it had to he thought of; a workable detector of electromagnetic waves had to be discovered; and the results obtained by Hertz had to be ...

NASA's MMS mission discovered ... into wave-particle dynamics. These findings challenge previous beliefs about magnetic dipole influences, expanding our understanding of space physics and energy ...

Continuing his research, Hughes discovered that the carbon ... Heinrich Rudolf Hertz (1857–1894). Hertz validated Maxwell’s theory through experimentally proving the existence of electromagnetic waves ...

According to Gu, creating materials that can efficiently absorb electromagnetic waves, such as radar or microwaves, has been a longstanding technological challenge. "Existing materials typically ...

A new adaptive optics technology is set to transform gravitational-wave detection, allowing LIGO and future observatories like Cosmic Explorer to reach new heights. By correcting mirror distortions, ...

A unique propagation phenomenon of acoustic waves has been discovered, paving the way for developing advanced communication technologies using acoustic devices. The research, published in Physical ...

Vonecia Sullivan-Hill said she took a weekend getaway last summer to Georgia. When she landed in Atlanta, she rented a car through Hertz. She said everything was fine during the trip until she ...