UPSC Science and Technology

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India's defence minister Rajnath Singh approves transfer of DRDO conventional missile technologies to domestic industry to boost indigenous production and self-reliance.

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The IITs are finally getting what they built the world and forgot to bill for. For 40 years, Indian engineering brilliance built Silicon Valley, then wrote the checks to Stanford and Harvard. Look at what just happened at home instead: > IIT Kanpur (Aug 24, 2026) - Rakesh Gangwal, IndiGo co-founder, adds ₹300 crore more to the medical school he started building in 2022. Total now: ₹400 crore. He is also matching every other donor's rupee, up to ₹300 crore more. > IIT Delhi (Dec 2025) - Binny Bansal's gift is the largest unrestricted individual donation the institute has ever received. They named the Exhibition Hall after him. > IIT Bombay (Dec 2025) - The Class of 2000 walks back in for their silver jubilee and pledges ₹50 crore on the spot. Same week, five alumni get Distinguished Service Awards for decades of quiet giving. > IIT Bombay (April 2025) - The founders of BrowserStack rebuild the exact hostel they lived in as students. ₹100 crore, one specific hostel, one very personal debt repaid. > IIT Kharagpur (2025) - The Deysarkar family does not write a check, they hand over an entire property in Houston, worth $10 million, to anchor India-US research in AI and healthcare. > IIT Madras (Aug 2024) - Krishna Chivukula, class of 1970, gives ₹228 crore. 54 years after graduating, he came back and rewrote the record book. > Additionally, IIT Kanpur Class of 2000 pledged a record ₹100 crore (largest single-batch pledge claimed at the time) for a new Millennium School of Technology and Society. Led in part by Naveen Tewari (InMobi) and other founders. > IIT Delhi Class of 2000 (late 2025/early 2026) pedged ₹70+ crore (highest batch gift in IIT Delhi’s history at the time). > Nandan Nilekani’s cumulative giving to IIT Bombay has reached the ₹400 crore range (major tranche reported around 2023). These are infra grade capital, hostels, hospitals, endowments, international outreach flowing back into the exact institutions that launched these people into the world. The IITs spent decades exporting genius. The genius is finally sending some of it home.

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Happy National Space Day 🇮🇳

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PSIR 300+ | OFFLINE & ONLINE LIVE | 21 August | TARGET 300+ in PSIR ☀ Component 1: PSIR Crash Course (Revision & Summaries) ☀ Component 2: 300+ Questions (with Model Answers) ☀ Component 3: 14 PLTs & 6 FLTs ☀ Component 4: 1-1 Mentor Support under guidance of AMRATANSH Sir! Registration Details: https://www.sunyaias.com/subscription-details/psir-enrichment-program-psir-300-2027-offline-online-live For more details, fill the form at: https://forms.gle/eEHAnutHZhCgC8ZM7 Watch Details at: https://youtu.be/GAt_H5WbKQ0?si=p0hgSv97lqX_BhBW Contact: 8595352083 

The Great Unconformity is a widespread gap in the geologic record where more than a billion years of Earth’s history appear to have been erased. This “missing chapter” occurs where sedimentary rocks from the Cambrian Period sit directly atop much older igneous and metamorphic rocks, often called crystalline basement. The gap reflects both the erosion of older rocks and long intervals when little or no sediment was deposited.