WION Video Team

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In a recent study published in Nature Communications, researchers investigated associations between dietary factors and the risk of colorectal cancer. Watch to know more.

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If the S-400 radar loses power, its 600-km surveillance bubble instantly collapses. To prevent this, the system uses 63T6A grid converters and autonomous 5I57A mobile diesel generators to ensure the radars never go offline during an active battle.

What happens if the S-400 radar loses power?

To intercept an aircraft, an S-400 missile flies using inertial navigation and mid-course radio updates. Nearing the target, it activates its own internal radar seeker and fires gas-dynamic thrusters to violently outmanoeuvre the threat.

How does an S-400 missile know where to turn?

The S-400 uses a layered defence strategy by deploying four distinct missiles. The 40N6E hits targets at 400 km, the 48N6DM covers 250 km, and the agile 9M96 series engages threats up to 120 km, creating a flawless airspace shield.

Why does the S-400 carry four different missiles instead of one?

From Matangini Hazra's fatal march to Usha Mehta's secret radio broadcasts, these 7 unsung women, freedom fighters, revolutionaries and martyrs, risked everything for India's independence, yet remain largely overlooked in mainstream history.

The top 7 unsung women heroes of India's freedom struggle

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