What are the most important technologies right now that will save the world?

[mashutka]

Let's talk about technologies a little bit 
What do you think the most important inventions will be, or were?

In my opinion, the greatest ones that really solved real problems are telephone and internet. They solved the problem of communication.

Also airplane, it helps to travel fast and safe.

X-Ray, it allows to check what's going on inside

Also, I feel like neurocontrol will help people a lot. With it, people with challenges will have a new life.
Look at what we have already being developed in the world: https://www.youtube.com/watch?v=9cMsAys1ZZU&t=0s

A guy controls a robotic arm with his thoughts.

What are the most important technologies right now, in your opinion?

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[MadAboutCrypto]

1) Lightbulb

2) Penecilin

3) Internal combustion engine

And of course the Internet.

I also believe in neurocontrol and its future positive impact on our lives. Even Elon Musk is involved in the development of such technologies. Interesting video.

Also, believe in SpaceX project. It will solve overpopulation in the future. Our planet is limited in resources 

So we need to solve this as well

[aleksej996]

Whenever someone poses a question like this, I always reply with "soap and toilet paper".
You can boast about antibiotics and vaccines all you want, but if you can't use soap or TP, you will have a lot of troubles and by using them you will not even need these medicines in the first place.

As for the wheel, well Inca never got eradicated because of their lacking of wheeled vehicles, but because they died of smallpox.

And all these electrical things, who cares?
It is cool and all, but if you are dieing of tuberculosis, Internet and light bulbs doesn't really sound that impressive, does it?

[CryspRayz]

Whenever someone poses a question like this, I always reply with "soap and toilet paper".
You can boast about antibiotics and vaccines all you want, but if you can't use soap or TP, you will have a lot of troubles and by using them you will not even need these medicines in the first place.

As for the wheel, well Inca never got eradicated because of their lacking of wheeled vehicles, but because they died of smallpox.

And all these electrical things, who cares?
It is cool and all, but if you are dieing of tuberculosis, Internet and light bulbs doesn't really sound that impressive, does it?

BEST ANSWER! 

[randal9]

yes, you are right that the Internet and electricity won't save from the death, but it would be great if technology allowed to get rid of diseases...although it seems that a lot of innovations could already be done in this direction...probably this is not beneficial for leaders that the population will live long...there is no other answer...