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In theoretical physics, negative mass is a hypothetical type of exotic matter whose mass is of opposite sign to the mass of normal matter, e.g. −1 kg. [1] [2] Such matter would violate one or more energy conditions and exhibit strange properties such as the oppositely oriented acceleration for an applied force orientation.
Heat stroke or heatstroke, also known as sun-stroke, is a severe heat illness that results in a body temperature greater than 40.0 °C (104.0 °F), [4] along with red skin, headache, dizziness, and confusion. [2] Sweating is generally present in exertional heatstroke, but not in classic heatstroke. [5] The start of heat stroke can be sudden or ...
Negative mass would possess some strange properties, such as accelerating in the direction opposite of applied force. Despite being inconsistent with the expected behavior of "normal" matter, negative mass is mathematically consistent and introduces no violation of conservation of momentum or energy .
As with heat stroke, you should move the person suffering from heat exhaustion to a cool place; loosen their clothes and apply cool, wet cloths to the neck, face and arms; and have them sip water ...
Tips on preventing heat exhaustion and heat stroke. For premium support please call: 800-290-4726 more ways to reach us
Heat illness is a spectrum of disorders due to increased body temperature. It can be caused by either environmental conditions or by exertion.It includes minor conditions such as heat cramps, heat syncope, and heat exhaustion as well as the more severe condition known as heat stroke. [1]
Signs of heat exhaustion include fatigue, headache, and dizziness. Nausea and muscle cramps may indicate you've sweat out essential electrolytes. 5 subtle signs you're overheating and at risk of ...
Heat-related deaths in people older than 65 years reached a record high of an estimated 345 000 deaths in 2019". [3]: 9 More than 70,000 Europeans died as a result of the 2003 European heat wave. [40] Also more than 2,000 people died in Karachi, Pakistan in June 2015 due to a severe heat wave with temperatures as high as 49 °C (120 °F).