> ## Content Index > Fetch the complete content index at: https://www.upscprep.com/llms.txt > Use this file to discover other available public pages before exploring further. # Previse 2025: Science & Technology Terms - URL: https://www.upscprep.com/previse-2024-science-technology-terms-in-news-upsc/ - Published: 2024-05-10T11:41:17.000Z - Updated: 2025-05-01T06:00:24.000Z - Description: GS3 | S&T - Author: UPSCprep.com - Tags: Previse 2025, UPSC Prelims, Current Affairs, #show-toc ### Biohacking - Biohacking is a term for various tricks which enhances the body’s ability to function at peak performance and extend one’s lifespan. - It involves methods from biology, genetics, neuroscience and nutrition to enhance physical or mental performance. - It involves facets like- - **Molecular** i.e use of natural and synthetic molecules for eg supplements. - **Biologics** i.e use of biological products to enhance biology by ingestion, injection (stem cells) or intravenous transfusion. - **Lifestyle** i.e positive health and behavior choices like dietary shifts, meditation and exercise. - **Technology** i.e use of wearables like smartwatches and use of diagnostics like blood sugar monitors. ![What is Biohacking | UPSC](https://dnahormonalhealth.com/wp-content/uploads/2023/12/What-is-biohacking.webp) ![Biohacking - UPSC](https://storage.ghost.io/c/92/07/9207d054-5e99-4b26-b8c8-424994497a07/content/images/2024/05/image-41.png) ![Biohacking | UPSC](https://storage.ghost.io/c/92/07/9207d054-5e99-4b26-b8c8-424994497a07/content/images/2024/05/image-40.png) --- ### Amaze-28 - **Amaze-28 is** Kerala’s maiden 3D-printed building, and its construction was completed in 28 days. - 3D printing is a layer-by-layer three phased printing process, viz- data processing, material processing, and robotic printing. - It is advantageous because a huge building can be completed in just 28 days, a fraction of the time required using conventional methods. - There is flexibility in design and complex architecture can be built with precision and uniformity. - Also, there is minimal wastage thus saving on inputs. - Steps taken by the government to promote it include National Strategy for Additive Manufacturing, Samarth Udyog and Make in India 2.0. ![No more building houses, let's print them - KERALA - GENERAL | UPSC](https://keralakaumudi.com/web-news/en/2023/08/NMAN0431831/image/3d-.1692385275.jpg) ![3D Printing | Amaze-28 | UPSC ](https://scontent.fblr21-1.fna.fbcdn.net/v/t39.30808-6/387840686_796444169154349_3306774548492877480_n.jpg?_nc_cat=111&ccb=1-7&_nc_sid=5f2048&_nc_ohc=PAFyfg7sapoQ7kNvgG-yTIo&_nc_ht=scontent.fblr21-1.fna&oh=00_AYBYkuSMoM5AnDcYsyMqXAS6LQPU6dCcugthSsBmCRAnog&oe=6643B530) ![3D Printing | Amaze-28 | UPSC](https://lh7-us.googleusercontent.com/E773k-y1COtyQq9EowBWl_SATMvmih42HHa-pPmkKxmWmrDjMB0kxwfr-pME74uTGdra81LpdR58de680jJuonUWHPipj0B9KHz85Om55m9AG2-ag7krMqfzIj1Sz5ihcvsSTbb55JpHO4HwieVw5Bw) --- ### Harit Nauka Initiative - India’s maiden indigenous hydrogen fuel cell ferry was unveiled recently. - As per the Shipping Ministry guidelines for inland vessels, all states have to use green fuels for 50 per cent of inland waterways-based passenger fleets in the next one decade. - Recently launched vessel is a 24-meter-long catamaran ferry powered by a 50-kW Proton-Exchange Membrane fuel cell and Lithium-Ion phosphate batteries. - The vessel operated with zero emissions and minimal noise ensuring enhanced energy efficiency. ![Fuel Cell & Hydrogen Energy Basics | UPSC](https://images.squarespace-cdn.com/content/v1/53ab1feee4b0bef0179a1563/1564673840262-PCCYLT4GK3PFYPTLACNO/fuel%2Bcell%2Bdiagram.jpg?format=1500w) ![Bharat's first hydrogen fuel ferry has been launched | UPSC](https://pbs.twimg.com/media/GHZ9BuIWMAEPslQ.jpg) ![Hydrogen Fuel Cell Ferry Project](https://images.marinelink.com/images/maritime/w800/source-teco-2030-142701.png) --- ### Tantalum - Recently a rare metal, tantalum, was unearthed from the sand of the **Sutlej River in Punjab**. - It is very hard with exceptional corrosion resistance because it is immune to chemical attacks at temperatures below 150°C. - Tantalum is used extensively in electronics, particularly in capacitors, smartphones, laptops, and cameras. - It can also be used as a substitute of platinum in chemical plants, nuclear power plants, aircraft, and missiles. - It is also insoluble in acids and due to its non-reactivity with bodily fluids, tantalum is utilized in surgical equipment and implants, such as artificial joints. ![Tantalum, the rare metal found in Sutlej | UPSC](https://www.ksgindia.com/images/th/tantulum1.png) ![What is tantalum? Where is it found, and why is it so special? | UPSC](https://lh7-us.googleusercontent.com/vPh-AZIdu1V4bITGcrkpmOx8ws8h5h5Avo4RNy_fR1kbXKduQwG2wdr66NTaPIoS02HoPQdqo0WTLiYQWd7M7gXmEmi8HirSqqKNWMN243TVFKlms1ictZ2GRGQg1UwwWxW--UEHRPHWT9_7I-PMw_c) ![What is tantalum? Where is it found, and why is it so special? | UPSC](https://lh7-us.googleusercontent.com/i_1aL4yWO23Rug_ggUrULTQTmKvceCKRitic-Hsv98Tanemm4OfOzOovLRRtc27G2EvIcpiLcRWiRJEbdm6zbQ_T_7Q-uhDfLXwI1WcIM9ZAqOdK1QaY5SfbKe_ZC8bcbT9PKFgfa03PfcV_u87FIDc) --- ![](https://storage.ghost.io/c/92/07/9207d054-5e99-4b26-b8c8-424994497a07/content/images/2024/05/1.-UPSCprep-Banner-11.png) [Join Now](https://courses.upscprep.com/products?ref=upscprep.com) --- ### Rice Vampireweed - Rhamphicarpa fistulosa, or Rice vampireweed, affected more than 1.5 lakh farmers in Africa. - It is a facultative, parasitic weed growing on rice causing a lot of destruction to the food basket. This is because it affects other crops like sorghum, maize and other cereal crops. - To date, there is no fertilizer that can control Rhamphicarpa fistulosais. ![Rhamphicarpa fistulosa | Rice Vampireweed ](https://upload.wikimedia.org/wikipedia/commons/9/9c/Rhamphicarpa_fistulosa_flower.jpg) ![Africa's rice farmers lose millions of dollars to parasitic weeds | UPSC](https://ricetoday.irri.org/wp-content/uploads/2017/05/Striga-hermonthica-on-rice-in-Western-Kenya-Lake-Victoria.jpg) ![Rice Vampireweed | Country-level estimates of incidence (%) of Rhamphicarpa fistulosa in rainfed rice | UPSC](https://ars.els-cdn.com/content/image/1-s2.0-S0261219424001169-gr2_lrg.jpg) --- ### BFI-Biome Virtual Network Programme - Centre for Cellular and Molecular Platforms signed a Memorandum of Understanding with **Blockchain for Impact** to join its BFI-Biome Virtual Network Programme. - This programme will unite incubators with research institutes for better outcomes. - It will revolutionize healthcare delivery and ensure transformative scientific advances. - C-CAMP is an initiative of the Department of Biotechnology, Ministry of Science, Technology and Earth Sciences. ![Blockchain For Impact (BFI) | We are launching one of our flagship programs BFI-Biome Network to help accelerate transformative healthcare solutions by catalysing cutting edge biomedical innovation](https://pbs.twimg.com/media/F4s-cgYaMAAT6_Z?format=jpg&name=4096x4096) ![BFI-Biome Programme | CCAMP](https://lh7-us.googleusercontent.com/YLEEmGYIzQajl-XGA5q1Y8YoUjNJiqgCZS9u-4hEDAdt4aCeD5QIpaIYVvksVupqZQaYvsmIynrUkF7bpp5RNUd_Wv_4m2dyBb9lOgrbyyP5d-zGSpoHCo0C_YsO8n84t86-kja4NeEEkDeU5nEY0xk) --- ### Bitcoin Halving - Bitcoin Halving means 50% reduction in the premium paid to Bitcoin miners in return for processing other people’s cryptocurrency transactions. - Bitcoin miners use advanced computer equipment to solve mathematical puzzles through the ‘Proof of work’ process to grow Bitcoin’s blockchain. - These transactions result in huge carbon footprints and require huge electricity. - Mining increases the supply of bitcoin while Bitcoin Halving reduces the rate at which these coins are released, making the asset more scarce. ![Bitcoin Halving | UPSC](https://storage.ghost.io/c/92/07/9207d054-5e99-4b26-b8c8-424994497a07/content/images/2024/05/image-42.png) ![Bitcoin Halving | UPSC](https://storage.ghost.io/c/92/07/9207d054-5e99-4b26-b8c8-424994497a07/content/images/2024/05/image-43.png) ![Bitcoin Halving | UPSC](https://storage.ghost.io/c/92/07/9207d054-5e99-4b26-b8c8-424994497a07/content/images/2024/05/image-44.png) --- ### Carbon Nanoflorets - Carbon nanoflorets are novel spherical nanostructures that exhibit unprecedented efficiency in converting sunlight into heat. - They are made of carbon cones with excellent light-absorbing capabilities. - Its manufacture begins with heating of dendritic fibrous nanosilica along with acetylene gas. - Upon further treatment, silicon particles are removed leaving behind spherical nanostructures. - As per an estimate, carbon nanoflorets are 87% efficient in converting sunlight into heat as they can absorb visible, infrared and ultraviolet light ![What are carbon nanoflorets? | UPSC](https://qph.cf2.quoracdn.net/main-qimg-1926b6af34f74771dcc076937ca55f2b) ![Carbon Nanoflorets | UPSC](https://www.insightsonindia.com/wp-content/uploads/2023/11/plasma.jpg) ![Carbon Nanoflorets | UPSC](https://i0.wp.com/compass.rauias.com/wp-content/uploads/2023/10/image-87.png?resize=640%2C326&ssl=1) ## Sign up for UPSCprep.com Simplify your UPSC journey Subscribe Email sent! 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