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Tuesday, November 25, 2025
TopicInvention

Topic: Invention

How was wheel invented? Computer simulations reveal its thrilling birth story

Just like the evolution of species, the wheel emerged gradually from an accumulation of small improvements.

With 3D-printed gloves for ‘Rs 1,000’, IISc team offers cheap virtual physio for stroke patients

IISc team says idea ‘behind device is that you wear something like a glove, and the physiotherapist controls the device from a remote location through the internet’. 

Germ killing is the new cool with fragrant, eco friendly hand sanitisers

The Centers for Disease Control and Prevention says there’s not a clear winner in the hand sanitiser vs. hand-washing debate.

On Camera

Worker exploitation powers the firework industry in Tamil Nadu’s Sivakasi

For an industry globally classified as hazardous, protections such as health insurance and a provident fund for workers are necessities. In Sivakasi, they remain elusive.

172 countries & counting, India looks to hit new record in rice exports. But there’s a flip side

The industry forecasts exports are set to grow 16% in 2025-26, boosted by surplus domestic production and a drive to push into 26 underserved global markets with strong potential.

India and France to jointly manufacture HAMMER air-to-surface missile

Indigenisation level will progressively increase up to 60 percent with key sub-assemblies, electronics and mechanical parts being manufactured locally.

A tribute to Tejas. India’s delay culture is the real enemy in the skies

It is a brilliant, reasonably priced, and mostly homemade aircraft with a stellar safety record; only two crashes in 24 years since its first flight. But its crash is a moment of introspection.