With locations all over the world hitting record temperatures over the summer, some people are wondering how hot is too hot to go outside. Shutterstock Extreme heat has been breaking records across Europe, Asia and North America, with millions of people sweltering in heat and humidity well abo...
How Do Scientists Measure the Sun's Temperature? It's literally the hottest star in the solar system, but you can't just use a thermometer to figure out how hot it actually is. Instead, scientists use a number of tools and indirect methods to figure this hot math out: Spectroscopy: Thes...
It was not until recently that this limit was tested on humans in laboratory settings. The results of these tests show an even greater cause for concern. The PSU H.E.A.T. Project To answer the question of "How hot is too hot?" we brought young, healthy men and women into the Noll...
There is hot, and then there is hot! Extreme heat is a period of high heat and humidity(湿度) with temperatures above 90 degrees Fahrenheit for at least two to three days. Extreme heat is responsible for the highest number of annual deaths among all weather-related hazards(危害).It's not...
Despite being so hot, the corona is less than a millionth as bright as the Sun. As you walk away from a bonfire, you feel less of its heat because you receive less energy due to the inverse square law. Why is the more distant corona so much hotter than parts of the Sun closer to...
than 707 degreesFahrenheit(375 °C). Water piped through those areas would become supercritical. This steam-like phase can carry some 5-10 times more energy than regular hot water, making it an extremely efficient energy source if it could be piped to turbines that convert it into electricity...
What is a singularity in space-time? How to find Planck's constant Does time speed up constantly due to the expanding universe? How hot is Planck temperature in Fahrenheit? How is the Planck constant derived? For this question adopt a scale factor of a = 1/1200 for decoupling, the time...
Life on Earth would not exist without our huge hot glowing ball of gas. But just how hot is the sun? Well, that depends… The temperature of thesunvaries from around 27 million degrees Fahrenheit (15 million degrees Celsius) at the core to only about 10,000 degrees F (5,500 degrees ...
Technology solutions: Several methods are currently used to forecast the spread of particular emerging epidemics. Forecasting models can identify hot spots of emerging diseases and predict trends regarding where the problem is most likely to expand. Experts surveil the internet, looking for health ...
The sun is an incredibly hot ball of gas, made mostly of hydrogen and helium. Its surface and outer atmosphere can reach scorching temperatures, ranging from 10,000 to 3.6 million degreesFahrenheit. This intense heat causes the sun to constantly release a stream ofplasma— charged particles like...