Download 1500 Objectives Of History PDF For JKSSB, KUET, UPSC And Other Competitive Exams.

Download 1500 Objectives Of History PDF For JKSSB, KUET, UPSC And Other Competitive Exams.

Havana Syndrome
●Havana syndrome is a set of medical symptoms with unknown causes experienced mostly abroad by U.S. government officials and military personnel.
●The symptoms range in severity from pain and ringing in the ears to cognitive difficulties and were first reported in 2016 by U.S. and Canadian embassy staff in Havana, Cuba.
●Americans who have been hit by Havana syndrome have described dizziness, headaches and an intense and painful sound in their ears.

Active Denial System
●The Active Denial System is a non-lethal directed-energy weapon developed by the U.S. military, designed for area denial, perimeter security and crowd control. ●Informally, the weapon is also called the heat ray since it works by heating the surface of targets, such as the skin of targeted human beings.

Race to Zero
●Race to Zero is a global campaign to rally support from businesses, cities, regions, investors for a healthy, resilient, zero carbon recovery that prevents future threats, creates decent jobs & unlocks inclusive, sustainable growth.
●All members are committed to the same overarching goal: achieving net zero emissions as soon as possible, and by 2050 at the very latest.
●Launched on 5th June 2020, World Environment Day, it brings to life a global alliance of initiatives on net zero that will run up to the UN Climate Change Conference COP26 and beyond.
●Objective: to build momentum around the shift to a decarbonized economy ahead of COP26, where governments must strengthen their contributions to the Paris Agreement.

Artificial Moon
●Chinese scientists have built an “artificial moon” research facility that will enable them to simulate low-gravity environments using magnetism.
●The mini-moon is about two feet in diameter and the artificial surface has been made with rocks and dust.
●The gravity on the Moon is not zero, it is one-sixth as powerful as the gravity on Earth due to the magnetic field.

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