Development in area of Artificial Intelligence, Machine Learning, Deep Learning.

Comet C/2025 R3 (PanSTARRS) It is an Oort Cloud comet with a 160,000 to 170,000-year orbital period, making this its first-ever visit to the inner solar system.  Comet C/2025 R3 (PANSTARRS) is a non-periodic Oort cloud comet discovered in September 2025.  Closest Approach (Perihelion) : The comet reaches its closest point to the Sun (perihelion) around April 19–20, 2026. Closest Approach to Earth : The comet makes its closest pass to Earth on April 26–27, 2026, at a distance of about 44 million miles. Brightness : . It is expected to reach a maximum brightness of roughly magnitude +3 to +4.7, making it visible to the naked eye under dark skies, and an easy target for binoculars.  Best Time to View: Mid-to-late April 2026, roughly 90 minutes before sunrise. Location : Low on the eastern horizon, moving through the constellation Pisces. Appearance : Observers have reported a glowing, greenish coma, and a small, stubby ion tail in photos. Trajectory : It is a hyp...

Santakulam Custodial death Rights groups say hundreds of people die while in custody in India every year. They point out that torture and abuse to extract confessions from suspects have become part of policing. What's case? On April 6, 2026, a Madurai court sentenced Nine police officers  to death over the deaths in custody of a father and son in 2020. The deaths also brought the issue of police brutality in India back into the limelight. When? P Jeyaraj, 58, and his son Benicks, 38, both died in jail in the southern state of Tamil Nadu - days after they were detained for allegedly keeping their mobile phone shop open in breach of lockdown rules during the Covid-19 pandemic. Where? Event now known as Santakulam Custodial death is reported from southern state of Tamil Nadu. Punishment Ten police officers in total were arrested over the brutal deaths of the father and son but one of the accused died of Covid in 2020. Nine police officers have been sentenced to death. What Next? The o...

Tango Charle  The NATO phonetic alphabet (Alpha, Bravo, Charlie...) is used to ensure clear, unambiguous voice communication, especially over radio or telephone where signal noise or language barriers exist. It prevents confusion between similar-sounding letters (like 'b' and 'd'), significantly improving accuracy in aviation, military, and emergency.  Common Use Cases: Aviation : Pilots and air traffic controllers (ATC) use it for flight plans, aircraft IDs, and clearance instructions. Military & Security: Used for transmitting coordinates, unit names, and orders in the field. Radio & Telephony : Used by amateur radio operators, customer service agents, and emergency responders. Spelling Over the Phone : Used to spell out names or codes to ensure the receiver writes them down correctly. NATO phonetic alphabet (ICAO) The phonetic alphabet was developed in the early 20th century. The U.S. military used the "Able Baker" alphabet during WWII, and in 1956...

Iran rejects 45 days temporary truce US Demands  To reopen the crucial oil artery of Hormuz which Iran has controlled, US threatening strikes on infrastructure. The U.S. and allies seek a deal that ensures Iran does not pursue nuclear weapons, requiring potential dismantling of nuclear facilities. Counter condition by Iran  Iran demands a permanent cessation of conflict,  a comprehensive lifting of U.S.-led sanctions,  and formal guarantees against future attacks. Compiled by  Ms Naresh kuwar 

Flying arrows, Flying bombs - Missiles Evolution of Missiles 1)Fire Arrows (13th–17th Century): The "fire arrow" was a spear-like projectile with an attached gunpowder tube, primarily used for psychological impact against enemy. 2)Torpedoes (14th Century) : Joanes de Fontana designed early surface-running torpedoes (rocket-powered) to target enemy ships. 3)Mysorean Rockets (18th Century ): Hyder Ali and Tipu Sultan developed iron-cased rockets, increasing range and Lethality.  4)Guided Missiles (20th Century): World War II saw the birth of guided missiles, such as the V-1 flying bombs and V-2 flying rocket marking the start of accurate, high-altitude attacks. Core system of guided missile  Core Systems of a Guided Missile(The German V2 rocket) 1)Targeting and Guidance System: This is the "brain" of the missile, determining the flight path and making corrections. Common types include inertial navigation, active/passive radar hom...

Déjà vu & Jamais Vu Déjà vu is a French phrase that translates literally to "already seen". It is a loanword adopted into English to describe the, often fleeting, psychological sensation of having already experienced a current situation. It consists of déjà ("already") and vu ("seen", past participle of voir).  Origin : Coined/popularized in France, with a potential origin in 1876 by philosopher Émile Boirac. Why it happens? In other words, it happens when there’s a miscommunication between two parts of your brain: The one responsible for memories (your temporal lobe) and the one responsible for taking in new information ( your hippocampus). Jamais Vu Jamais vu is a French phrase. It translates literally to "never seen". In psychology, it describes the phenomenon where a familiar situation, word, or person feels suddenly new, strange, or unfamiliar. It is commonly considered the opposite of déjà vu (already seen).  . Health conditions  Some h...