Basics of Science & Technology

Important Days

June

  • World Environment Day – June 5 – Theme: Beat Plastic Pollution.
  • World Oceans Day – June 8 – Theme: Sustaining What Sustains Us.
  • World Day to Combat Desertification – June 17 – Theme: Restore the land.
  • World Refugee Day – June 20 – Theme: Solidarity with Refugees.
  • International Yoga Day – June 21 – Theme: Yoga for One Earth, One Health; 11th IYD celebrated Visakhapatnam.
  • International Olympic Day – June 23 – Theme: Let’s Move? campaign by IOC & WHO.
  • Samvidhan Hatya Diwas – June 25 – Marking Emergency 1975.

July

  • World Population Day – July 11, 2025 – Theme: Empowering young people.
  • World Youth Skills Day – July 15, 2025 – Theme: Youth empowerment through AI & digital skills.

August

  • National Handloom Day – Aug 7 – Theme: Weaving Innovation…
  • National Javelin Day – Aug 7 – Neeraj Chopra
  • International Youth Day – Aug 12 – Theme: Local Youth actions for SDGs.
  • Partition Horrors Day – Aug 14
  • UN Terrorism Victims Day – Aug 21
  • National Space Day – Aug 23 – Theme: Aryabhatta to Gaganyaan.
  • National Sports Day – Aug 29 – Theme: Ek Ghanta, Khel ke maidan main.

September

  • Ayurveda Day – Sep 23 from 2025 – Theme: Ayurveda for People & Planet.

Science & Technology

Space & Astronomy

  • Gaganyaan (G1): First uncrewed mission with half-humanoid Vyommitra.
  • Ladakh Crops: Seabuckthorn, Tartary Buckwheat sent to ISS by NASA’s Crew-11 Mission.
  • TRACERS Mission (NASA): Magnetic reconnection.
  • GOSAT-GW (Japan): Greenhouse gases monitor.
  • TOI-1846 b: New Super-Earth (NASA TESS).
  • GW231123: Biggest black hole merger (LIGO–Virgo–KAGRA).
  • Vera Rubin Observatory (Chile).
  • Mini Planetarium, Astro Globe: Hanle Dark Sky Reserve, Ladakh.
  • Polar Research Vehicle (PRV): India–Norway project, GRSE-led.
  • Extreme Helium Star A980: Rare hydrogen-deficient star.
  • Quantum Communication: DRDO & IIT Delhi achieved 1 km free-space entanglement.
  • Wendelstein 7-X (Germany): Sustained fusion plasma 43 sec.
  • Xinghuo (China): World’s first fusion-fission hybrid reactor.

AI, Digital & Tech Innovations

  • BioEmu-1 (Microsoft): Protein structure AI.
  • AlphaGenome (Google DeepMind): Nutrition & genetics.
  • AI TB model: Tamil Nadu.
  • AI Mosquito Control: Andhra Pradesh.
  • CROPIC: AI crop health (PMFBY).
  • Kalaa Setu Challenge: AI text-to-video/graphics.
  • MoScNet AI: Decoded Modi Script (IIT Roorkee).
  • Bharat Gen: India’s first multilingual AI LLM (IIT Bombay).
  • Kruti: India’s first agentic AI (Krutrim).
  • AI RAM Initiative: UNESCO South Asia & IndiaAI policy.

Health, Medicine & Biology

  • AdFalciVax: India’s 1st malaria vaccine (ICMR).
  • Coartem: World’s first malaria drug for infants (Novartis – Switzerland).
  • Glowing Paper Sensor (IISc Bengaluru): Liver cancer.
  • Kerala’s first Skin Bank: Thiruvananthapuram; Cy-TB test.
  • CRIB: New blood antigen (Bengaluru).
  • Senegal: Trachoma-free (WHO).
  • SPArc Therapy: New proton cancer radiation therapy (US).

National Initiatives & Projects

  • National Biobank: Delhi (Jitendra Singh).
  • Genome Sequencing Project: Gujarat.
  • Synthetic Human Genome Project (UK).
  • BHARAT Project: Ageing study (IISc India).
  • ICAR-NIHSAD, Bhopal: Rinderpest Holding Facility (WOAH & FAO).
  • Variable Speed PSP: THDCIL, Tehri (Uttarakhand).
  • Delhi Plastic Road: BPCL + CRRI.
  • Digital House Address Project: Indore.
  • Reliance Jio: World’s largest FWA provider.
  • SAKSHAM-3000: Switch-cum-router (C-DOT India).
  • Kerala’s KITE: UNICEF-recognised Edtech model.
  • TEMA India: Heavy water test facility (Mumbai).
  • Apps: GoIStats (MoSPI), RailOne (railway services).

Transport & Engineering

  • Maglev Train: Beijing–Shanghai (China).
  • E10 Shinkansen: Bullet train (Mumbai–Ahmedabad, India–Japan).

People

  • Jahnavi Dangeti: Astronaut candidate, Titan Space Industries (2029 mission).

Scientists and Discoveries

Physics & Laws

  • Archimedes – Law of Buoyancy
  • Galileo Galilei – Law of Inertia, Telescope, early thermometer
  • Isaac Newton – Gravitation, Laws of Motion
  • Michael Faraday – Electromagnetic induction
  • Heinrich Rudolph Hertz – Electromagnetic waves
  • James Clerk Maxwell – Electromagnetic theory
  • C.V. Raman – Raman Effect

Atomic / Nuclear Discoveries

  • Roentgen – X-rays
  • J.J. Thomson – Electron
  • Goldstein – Proton
  • Chadwick – Neutron
  • Rutherford – Nuclear model
  • Enrico Fermi – Nuclear fission
  • Homi Jehangir Bhabha – Cosmic radiation

Astronomy & Space Science

  • S. Chandrasekhar – Chandrasekhar Limit
  • Meghnad Saha – Thermal ionization
  • Albert Einstein – Relativity, Photoelectric Effect
  • Niels Bohr – Quantum theory of atom
  • Heisenberg – Uncertainty principle
  • Satyendra Nath Bose – Quantum statistics

Radio & Chemistry

  • J.C. Bose – Short radio waves
  • Madame Curie – Radioactivity

Miscellaneous

  • James Puckle – Machine gun

Scientists and Inventions

Engineering & Machines

  • Solls – Typewriter
  • James Watt – Steam engine
  • Daimler – Gas engine
  • Colt – Revolver
  • Johann Gutenberg – Printing press
  • Humphry Davy – Safety lamp

Communication & Media

  • J.L. Baird – Television
  • Marconi – Radio
  • Edison – Electric bulb
  • Graham Bell – Telephone
  • Waterman – Fountain pen

Science & Medicine

  • Alfred Nobel – Dynamite
  • Michael Faraday – Dynamo
  • Alexander Fleming – Penicillin
  • Edward Jenner – Smallpox vaccine
  • Charles Darwin – Evolution
  • J.B.S. Haldane – Modern Theory of Relativity

Modern Devices

  • Theodore Maiman – Laser
  • Robert Watson – Radar

Nobel Work

  • Madame Curie – Radium
  • S. Chandrasekhar – Black Hole

Notable Indian Scientists & Contributions

  • Homi Jehangir Bhabha – Father of Nuclear Energy.
  • Jagdish Chandra Bose – Physics & Life Sciences.
  • C.V. Raman – Nobel 1930 for Raman Effect.
  • Har Gobind Khorana – Nobel 1968 for protein synthesis.
  • S. Chandrasekhar – Nobel 1983 for stellar physics.
  • Raja Ramanna – Nuclear bomb development in India.

National Science Observances

  • 28 February – National Science Day.

International Scientists & Achievements

  • Albert Einstein – Also a violinist & pianist.
  • Valentina Tereshkova – First woman astronaut.

Nuclear & Space Facts

  • 9 Aug 1945: Fat Man on Nagasaki (Plutonium).
  • Little Boy: Hiroshima (Uranium).
  • NPT nuclear states: China, France, Russia, Britain, USA.
  • Neutron Stars – Very high density stars.
  • Comet’s tail – Always points away from sun.

Important Scientific Terms

  • Higgs Boson – God Particle.
  • Nanotechnology – Term by Norio Taniguchi (1974).
  • Hydrocarbon Vision 2025 – Petroleum.
  • Horology – Time measurement.

Indian Research Institutions

  • National Physical Laboratory – New Delhi.
  • National Chemical Laboratory – Pune.
  • TIFR – Mumbai.
  • Antarctica Centres: Dakshin Gangotri, Maitri, Bharati.

Scientific Instruments & Principles

  • Tape recorders – Electromagnetic principle.
  • Quartz clocks – Piezoelectric effect.
  • Quartz watches – Energy from hand movement.
  • Radiator – Cools vehicle engines.

Scientific Acronyms

  • LASER – Light Amplification by Stimulated Emission of Radiation
  • GIF – Graphical Interchange Format
  • GPS – Global Positioning System
  • ATM – Automated Teller Machine

Elements & States of Matter

  • At room temperature (25°C) – only Bromine and Mercury are liquid.