Tag: Physical
Thermal radiation: what is it?
We qualify as thermal rays the amount of energy that a body whose temperature differs from absolute zero yields in the form of radiation of electromagnetic nature and wavelength between…
Mathematical game: Notre-Dame de Paris and the fourth dimension
A monument almost disappeared and the hearts of the French are touched. Money is pouring in to fix it to the point that some are shocked. Wouldn’t it be better…
Quiz: do you know the units of measurement?
In what unity is the work of a force expressed? What is the official unit of measurement for temperature? How much is a nautical mile? An urgent quiz before reading…
What is the most powerful nuclear bomb in history?
On October 30, 1961, a 57 megaton atomic bomb exploded over the site of Novaya Zemlya, Russia. Called Tsar Bomba, it is the most powerful bomb in history. It is…
The Riddles of Time | Case
Everyone understands what we are talking about when we talk about time. Who doesn’t even think they know this one intimately? You don’t have to be Kant, Einstein or Heidegger…
Light on a doubly magical core, zirconium!
Unity is strength. It’s a well-known proverb. The currency of Belgium, in particular. And researchers are once again demonstrating its relevance today. Experimenters and theorists have joined forces to unlock…
You will have an ice cube… without ice!
Prevent an ice cube from melting. It is not possible. Unless, maybe if it’s not made … of ice cream! This is what researchers are proposing today. Ice cubes that…
Why choose a physical activity during menopause?
Women go through a huge hormonal shift during menopause. The consequences on the body and morale are often significant for most of them. Physical activity is particularly recommended at this…
Physical activity to rejuvenate your brain
Thanks to regular physical activity, senior study participants with cognitive impairment improved their thinking skills. So much so that their brains have even “rejuvenated”. It has been proven that seniors…
How the waters from Fukushima will flow into the Pacific Ocean
The Japanese government has confirmed this. Within two years, it will start discharging more than a million cubic meters of contaminated water from the Fukushima nuclear power plant. The operation…