News On Japan

Shimadzu Unveils World's First Optical Lattice Clock

OSAKA, Mar 06 (News On Japan) - Shimadzu Corporation has launched the world's first optical lattice clock, which measures time using the oscillation frequency of atoms trapped by lasers. The clock boasts an unparalleled accuracy, with an error of just one second over 10 billion years.

Previous optical lattice clocks required extensive time for laser adjustments, but Shimadzu has successfully commercialized the technology with an automatic control system. Priced at 500 million yen, the clock is expected to contribute to measuring crustal movements and predicting earthquakes. Research institutions have already begun making inquiries about the device.

An optical lattice clock is a next-generation atomic clock that achieves unprecedented accuracy by using lasers to trap atoms in a grid-like structure and measure their oscillation frequency. The clock operates with an error margin of just one second over 10 billion years, making it significantly more precise than conventional atomic clocks.

The technology relies on a standing wave of laser light to create an optical lattice, where atoms such as strontium or ytterbium are confined. A separate laser then measures the oscillations of these atoms, which serve as the clock’s timekeeping mechanism. Unlike traditional atomic clocks that use microwave frequencies, optical lattice clocks operate at optical frequencies, allowing for far greater precision.

Source: Television OSAKA NEWS

News On Japan
POPULAR NEWS

As of 3 p.m. on October 6th, Typhoon No. 22 (Halong) was moving northwest over the ocean near the Ogasawara Islands, having intensified enough to form a storm zone with sustained winds exceeding 25 meters per second. Depending on its course, the typhoon may bring strong winds and heavy rain to areas along the Pacific coast from western to eastern Japan, with particularly heavy rainfall expected across the Tokai and Kanto coastal regions and the Izu Islands. Authorities are urging residents to stay alert for further updates.

Osaka University’s Shimon Sakaguchi, a specially appointed professor, has been awarded this year’s Nobel Prize in Physiology or Medicine for his groundbreaking work in immunology. Sakaguchi is best known for discovering “regulatory T cells,” a type of immune cell that suppresses excessive immune responses, a finding that has had far-reaching implications in medical science.

A collision occurred on the Tokyu Den-en-toshi Line on the night of October 5th when a local train attempting to arrive at Kajigaya Station in Kawasaki City struck a stationary out-of-service train, causing several cars of the latter to derail. Investigators from the Japan Transport Safety Board arrived at the scene on the morning of October 6th to begin examining the cause of the accident.

A Spanish tourist was attacked by a bear while visiting Shirakawa-go, the UNESCO World Heritage village in Gifu Prefecture known for its traditional thatched-roof houses, on October 5th. The incident adds to a growing number of bear encounters reported across Japan in recent weeks.

Sanae Takaichi, elected as the Liberal Democratic Party’s new president on October 4th, declared on stage, “I ask everybody to work like a horse,” after defeating agriculture minister Shinjiro Koizumi in a runoff to become the party’s first female leader.

MEDIA CHANNELS
         

MORE Sci-Tech NEWS

A future where people control machines simply by thinking may be closer than science fiction suggests. At the forefront of this research is Masayuki Hirata, a neurosurgeon and specially appointed professor at Osaka University’s Graduate School of Medicine, who is developing a brain-computer interface (BCI) that allows high-tech devices such as smartphones or robotic arms to be operated by thought.

Vast hillsides have been cleared for the construction of a large-scale solar power facility in Kamogawa, Chiba Prefecture, leaving piles of felled trees scattered across the slopes. The development covers approximately 146 hectares, or the size of 32 Tokyo Domes, and involves cutting down about 365,000 trees to make way for 470,000 solar panels.

A massive tornado-like phenomenon was observed late in the morning of October 2nd off the coast of Tsuruoka in Yamagata Prefecture’s Shonai region, with thick swirling clouds rising high into the sky as seawater was drawn upward.

The Okinawa region experienced record-breaking heat in September, with average temperatures 1.6 degrees Celsius above normal, the highest since records began.

A new study has shed light on the lingering condition known as brain fog, one of the most troubling aftereffects of Covid-19. Researchers at Yokohama City University found that patients experiencing this symptom showed higher levels of a key brain protein compared to healthy individuals, suggesting a potential pathway for future treatment.

Across Japan, water rates are being raised as aging infrastructure and population decline place mounting pressure on municipal waterworks, with a survey by Tokai TV revealing that many operators see no path forward without structural change, prompting new approaches that go beyond conventional frameworks to address what is being called a water crisis.

Saudi Arabia is advancing its national project Vision 2030 to achieve a post-oil society by the end of the decade, with the Riyadh Expo positioned as its grand culmination, and Japan is aiming to secure a foothold in the initiative by providing technologies such as decarbonization systems and expertise in hosting world expos, while also looking to translate this involvement into domestic economic growth.

Ishikawa Prefecture has surpassed Fukui Prefecture in total land area after a significant increase caused by coastal uplift triggered by the 2024 Noto Peninsula earthquake, according to the Geospatial Information Authority of Japan.