Why were dinosaurs so large in size? What in the evolutionary process caused them to be of such large size? Why are there no living organisms of such size today?
Before we start, what you need to realise is that dinosaurs were definitely large, but not so large. You probably know the numbers: the largest land mammals ever are around…
Where exactly is Voyager 1?
This is a topic of great interest to me, especially since Voyager 1 is the most remote craft we have ever sent forth. After 40 years of travel,…
Why is the Trump presidency turning so disastrously so quickly? Could it be because his critics were completely correct all along?
Not long ago, I stopped in at a Jack in the Box one morning after I got off work (one of my two seasonal jobs is a graveyard…
If the Earth were a grain of sand, then how big would the rest of the universe be in comparison?
Let’s make earth be a largish grain of sand, about 1.27 mm in diameter. This gives us a scale of 10^10 or ten billion to one. Fairly easy…
The President of Mexico recently sent a letter to Donald Trump, the President-elect of the United States. She signed it, Sincerely, Claudia Sheinbaum Pardo President of the United States of Mexico. Is that the official name of Mexico?
You’d better read the letter … in full. Its content is as follows: Dear President-elect Donald Trump, I am writing to you in response to your statement on…
What are examples of surprisingly low salaries paid to actors in hit movies?
Jonah Hill was so desperate to work with Martin Scorsese that he took the SAG minimum salary to be in The Wolf of Wall Street. Scorsese thought he was…
Does the very first star to have formed in the Universe still exist? Do we know of it?
Say hello to the Methuselah Star, sometimes known by its catalog name, HD 140283. Right in the neighborhood; it’s about 190 light years away in the constellation Libra. It wasn’t…
Is the Apollo 11 moon mission a hoax since a 20 W radio signal cannot propagate from the moon to the earth and form a detectable signal?
No, Carl. It’s not a problem to send a 20 W radio signal from the Moon to the Earth, because NASA engineers thought of that. They gave the…
Once Trump is gone, will the USA be able to regain the world standing it had during Obama, or has it been lost forever?
Do you know what New Gingrich said was the most important lesson that the USA had learnt during the 20th century? He said it was “That we need…
If I drained all of the world’s oceans and walked to the bottom of Mariana Trench, would there still be pressure? Would it be dark and cold? What would it be like at the bottom?
The Marianas Trench is something like 37,000 feet deep, so removing all the water would make it the location of the highest air pressure on Earth. I will…