Technology

There is a mobile money transfer service called M-Pesa
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There is a mobile money transfer service called M-Pesa


Used mainly in African countries, it can also be used for deposits, withdrawals, and to pay for goods and services. It has provided an access to a formal financial system for millions of people.

 



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This cool laser can remove paint and rust


It's a 1000W laser and it doesn't require gas or consumables

 



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An augmented reality sandbox with a miniature landscape


By sculpting the sand, the projection adapts to the topography and it is possible to make mountains, valleys and rivers appear

 



Impressive picture of USS Iowa firing her 15 guns
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Impressive picture of USS Iowa firing her 15 guns


Note the blows on the water surface

 



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A vinyl version of a Star Wars soundtrack with holograms


Walt Disney Records released these vinyls featuring the soundtrack of "The Force Awakens" with a 3D hologram experience featuring the Millennium Falcon on Disc 1 and a TIE fighter on Disc 2

 



A Japanese company plans to achieve space elevator by 2050
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A Japanese company plans to achieve space elevator by 2050


If the project is successful, it could massively cut the cost and danger associated with space trips: cargo usually costs around $22,000 per kilogram with current technologies; using Obayashi's space elevator, the cost would be closer to $200 according to the company

 



Diesel turns to jelly at -30° F
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Diesel turns to jelly at -30° F


That's why in a recent expedition in Antarctica, people used jet fuel instead of diesel in their trucks

 



There once was a nuclear power plant in the McMurdo Station in Antarctica
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There once was a nuclear power plant in the McMurdo Station in Antarctica


Launched in 1962, its reactor generated 1.8 MW of electrical power and is said to have replaced the need for 5,700 l of oil per day. It was shut down for safety reasons in 1972

 



The oldest fan was used in India in 500 BC
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The oldest fan was used in India in 500 BC


The Punkah fan, the oldest fan to our knowledge, was a handheld fan made from bamboo strips or other plant fibre, that could be rotated to move air

 



Bananas are used to measure... Radioactivity!
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Bananas are used to measure… Radioactivity!


More precisely, they are used to illustrate the idea that radioactivity is present in any form of natural food, but in very low quantities

 



The bird of Twitter is called Larry Bird
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The bird of Twitter is called Larry Bird


He was named after the basketball player Larry Bird, of the Boston Celtics

 



Have you heard of "gold farming"?
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Have you heard of “gold farming”?


It means playing a multiplayer online game to get in-game currency and sell it for real-world money. Some people make a living out of this practice

 



Sperms were observed for the first time in 1677
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Sperms were observed for the first time in 1677


The observation was made by the Dutch microscope-maker Antonie van Leeuwenhoek, using a sample of his own semen. He reported seeing "animalcules" moving like eels (and was quick to assure his readers that the sample came from an "excess" left over from conjugal relations rather than from masturbation)

 



A near-perfect Einstein ring 12 billion light years away!
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A near-perfect Einstein ring 12 billion light years away!


This image features an active star-forming galaxy, which appears magnified and ring-like due to a strange phenomenon called gravitational lensing and predicted by Einstein's theory of general relativity. None of this would be visible from Earth without the incredible resolution of the Atacama Large Millimeter/submillimeter Array (ALMA) telescope in Chile

 



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Engineers have found a way to change CO2 into stone


They capture the gas and inject it into volcanic rocks which absorb 95% of it in less than 2 years