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technology

Tejas

India set to seal jet engine deals with GE, Safran in big leap for indigenous fighter power

Commercial talks for Tejas Mk2 engines to begin soon; Safran to co-develop advanced powerplant for 5th-gen AMCA.

Alexa gets AI upgrade promising smarter conversations, deeper context understanding

Alexa+ replaces traditional voice commands with a generative AI “brain,” enabling more natural conversations and proactive task execution—now rolling out to Prime users and Echo smart displays.

ISRO and Skyroot Aerospace complete static test of KALAM 1200, boosting India’s private space sector

Skyroot Aerospace, in collaboration with ISRO, successfully conducted the first static test of its KALAM 1200 solid rocket motor—an 11-metre, 30-tonne composite stage for the Vikram-1 launch vehicle—marking a milestone for India’s private satellite launch ambitions.

World’s most expensive Indo-US Earth observation satellite NISAR to launch on July 30

NASA and ISRO’s $1.5 billion NISAR mission will launch from Sriharikota on July 30, carrying dual L- and S-band radars to track quakes, ice loss, crops, and climate change with centimeter-scale accuracy and open global data access.

 MiG-21 fighter jets

IAF to retire iconic fighter jets in September 2025

Phasing out a cold war workhorse, the Indian Air Force prepares to induct Tejas Mark-1A jets, signaling a generational leap in indigenous air power.

Breakthrough mRNA vaccine shows potential to fight multiple cancers, raising hope for human cure

In preclinical trials, mice injected with the vaccine plus checkpoint inhibitors showed dramatic tumor regression—including melanoma, bone, brain, and skin cancers—highlighting its broad-spectrum efficacy.

ChatGPT

Global disruption hits ChatGPT, OpenAI tools: Users locked out, services stall amid surge in errors

Second major outage in a month cripples AI workflows worldwide as OpenAI says systems have now fully recovered, but root cause remains undisclosed.