A technology can reproduce the voice of deceased people

Missions to Mars: will the samples brought back endanger the Earth?

The return to Earth of Mars samples organized by NASA and the European Space Agency is scheduled for 2033, it is hoped to be able to determine if life existed on Mars.

A rover will collect samples of Martian rock and soil, then transfer them to a small rocket. Space agencies plan for a capsule to be jettisoned to land in a dry lake bed in Utah. It will then be transferred to a sample reception facility with multi-level decontamination measures. Some are alarmed at the risk of contamination of the biosphere of our planet because of this return…

But we must not forget that about 500 kilos of Martian rocks land on our planet each year in the form of dust or meteorites!

Why can’t humans drink salt water?

Seawater represents 96% of the liquid water on the planet. 3.5% of its weight is salt. Albatrosses, gulls, penguins or marine mammals have developed adaptations that allow them to drink salt water. In contrast, humans and almost all other land animals have evolved to drink fresh water.

In reality, our body is not adapted. Our kidneys can only produce urine that is less salty than our blood. However, salt water contains more than three times the amount of salt normally present in human blood. Salt water can never quench a thirst; it can only make you more thirsty!

A technology that reproduces the voices of deceased people

It’s a disruptive innovation that Amazon is working on. The presentation video created unease. We see a little boy who asks the virtual assistant Alexa if his grandmother can finish reading him a story. Alexa executes, and it’s the voice of the grandmother who reads the story.

This technology makes it possible to reproduce the desired voice from less than one minute of audio recording. But one can wonder about the psychological implications of an innovation like this, and its potential abuses…

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