Questions and Answers

Questions and Answers

From and until when was the name ‘Abyssinia’ for Ethiopia used internationally?

In the past, Ethiopia was usually referred to internationally by the exonym 'Abyssinia'. Also at the League of Nations. The name is...
Corey Houghton -
Questions and Answers

Is the NDB, a 28,000-year battery made from nuclear waste encased in diamonds credible?

A Californian company is developing a battery that will last 28,000 years and that generates its own electricity (and therefore does not need to...
Corey Houghton -
Questions and Answers

Is the Mona Lisa based on Da Vinci?

My son read on the internet that Mona Lisa would actually be a portrait of Da Vinci. Is this right? Asker: Vince, 9 years old Answer The...
Corey Houghton -
Questions and Answers

What is the best way to shuffle a deck of playing cards?

In games with playing cards, you are usually asked to shuffle the cards beforehand. What is the most efficient technique to get this...
Corey Houghton -
Questions and Answers

Is skin cancer hereditary?

A friend of mine has a father who had skin cancer, a malignant mole called melanoma. Now her parents don't allow her to...
Corey Houghton -
Questions and Answers

Why does beer foam up more when you add a tea bag to it?

Beer is a carbonized liquid with a foam layer on top. How come this liquid starts foaming even more when solid particles (eg...
Corey Houghton -
Questions and Answers

Can a bridge collapse if a group walks over it in cadence?

And if so, how come? Asker: elly, 61 years old Answer Dear Elly, Yes, that's possible. That is why soldiers are instructed to step over a bridge out...
Corey Houghton -
Questions and Answers

Does the present exist?

The past no longer exists. The future does not yet exist. The present is the intersection between past and future. Does...
Corey Houghton -
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