How many countries have nuclear weapons in 2024?
As of 2024, nine countries are known to have nuclear weapons. There are about 14,000 nuclear weapons in the world, a number that has been declining since the Cold War…
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Science
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What is the deepest hole in the world as of 2024?
The Kola Superdeep Borehole is the deepest hole in the world as of January 2024. In 1970, Soviet scientists began drilling the Kola Superdeep Borehole in Murmansk Oblast, Russia in an…
How is the caffeine removed from decaffeinated coffee?
There are 4 different ways to decaffeinate the coffee beans used to make coffee that can be divided into solvent-based and non-solvent based methods. With solvents, the general idea is…
Why do FM radio stations end in odd numbers?
FM radio stations end in odd numbers to prevent interference. The reason they are odd numbers rather than even numbers is that 1 (odd number) is the first number we…
What is Bitcoin?
Bitcoin is a decentralized digital currency that does not have a central bank or single administrator. Below is my very introductory summary of bitcoin. I could go on for multiple…
What would happen if I dug a hole through the earth and jumped in it?
Digging a hole through the center of Earth is impossible with current technology and for many other reasons. However, let’s do a thought experiment with this post. The first issue…
Where is the hottest place on Earth?
There are different types of temperature measurements so it depends on which type of measurement we are talking about when answering this question. I found records for air temperature, land…
Why can’t I tickle myself?
Science says you can’t tickle yourself because your brain knows you are the one doing the tickling, taking away the surprise factor. This negates the tickling sensation. According to neuroscientists…
How much blood do humans have?
The average adult has about 1.2 to 1.5 gallons (4.5 to 5.7 liters) of blood circulating inside their body. To put this into perspective, a milk jug is one gallon,…
How long will it take to fly to Mars?
Until flying through the Sun becomes a reality, it will take humans between six and ten months to reach Mars. The exact travel time depends on what time of the year it…