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India’s 1st hydrogen train travels 6,000 km; cuts 36,444 kg CO2 emissions

India’s first hydrogen train consists of 10 coaches and can accommodate 2,600 passengers. It operates between Jind and Sonipat in Haryana with a maximum operating speed of 75 kmph, although the train has been designed to reach 110 kmph.

India’s 1st hydrogen train travels 6,000 km; cuts 36,444 kg CO2 emissions

We haven't written up this one. Times of India has the full story — the link below goes straight to it.

Read the original at timesofindia.indiatimes.com →

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Quantum computers may pay a price for keeping time

A quantum computer that runs itself using an internal clock can only compute accurately if that clock is precise, and that precision comes with a thermodynamic cost The post Quantum computers may pay…

  • Quantum computers rely on precise timing signals from external sources.
  • Autonomous quantum processing unit (aQPU) proposed to operate independently.
  • aQPU introduces trade-off between accuracy and thermodynamic costs.

Rare blue frog found by 5th grader goes on display in Japan's Sendai

SENDAI -- A rare blue east Japan tree frog found by a fifth-grade boy is on display at Sendai Umino-Mori Aquarium in this city's Miyagino Ward.East Ja

  • Fifth-grade boy Teppei Kamada discovered rare blue east Japan tree frog.
  • Frog exhibited on August 23 at Sendai Umino-Mori Aquarium.
  • Blue color results from abnormality in skin's yellow chromatophores.

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