What Life On Earth Will Be Like When Its Magnetic Shield Weakens | Naked Science | Spark

The earth's magnetic field is vitally important to not only the planet, but the life on the planet as well. This field provides the perfect conditions to allow life to thrive on earth as well as protect us from dangerous space debris. But what would life on earth be like in the future when this field gets dangerously weak?

Join the Spark Channel Membership to get access to perks:

Find us on:

#Spark

[Jayratliff]

Our planet is a living breathing thing of its own. There’s others like it in this vast universe. It literally evolved a shield to protect its life. It’s amazing. We don’t know anything we think we do, but we really don’t.

[munkee]

Ben Davidson has been talking about this for 10 years, but mainstream science calls him a 'Pseudo' scientist.

[baneverything]

So how much has the magnetic field changed SINCE the surface was blanketed with AC power lines and radio transmitters? And what effects might these be having?

[prototropo]

I love at 33:59, the clouds reverse direction as the scientist measures the magnetic field "back in time."

[rickshawwheelchair]

The more pressing issue should be a pole shift/reversal. That could happen over a "shorter" period of time

[greghemlock]

Without the magnetic shield, it will kill 98% of all life on earth probably

[muntee]

Yes, the field had weakened by 10% in 1640... But it's not 1640 now and the field isnt weakening in a slow, linear manner. And he is WAAAY out with his 1500yr prediction. Not only is he off by a whole order of magnitude, the field doesn't weaken to 0 before 'reversing' Instead, there is a critical threshold beyond which the field 'weakens to zero' practically instantaneously as once it crosses the minimal threshold it 'collapses' And we're talking about a time scale to that threshold which is between our lifetime and our grandchildrens lifetime, with the probability of it being sooner rather than later.

[ashleyanderson]

the poor bat, like "Batty" (played by Robin Williams) in the movie Fern Gully. One big experiment

[jesseharriott]

There is some serious fear mongering in the first 30 seconds lol

[bryanboucher]

not to worry the government will just tax the hell out of us…..that ought to fix magnetosphere 🙄🤣🤣🤣🤣

[despoticmusic]

Get Captain Kirk on the case - because he always finds a solution when Scotty says “the shields can nay take it anymore” 😂😂😂

[spezzington]

Nice theories and graphics. The dynamo experiment is fantastic. How is the study of earth's core going? - wasn't there a theory about the core stopping - or was simply based on pole shift?

[Lizzymint]

Who'd have thought that' pots would give an indication of the earth's magnetic field, I find this fascinating 😮

[timothyhorrick]

My bet is that while Mars was undergoing a pole shift, it was blasted with a CME large enough to blow away its atmosphere, thats what cooled the mantle preventing the return of mars magnetic field...

[mansoormannix]

Yes Solar storm might cause a very big damage to most of our electric and electronic technology not to mention radiation damage. But we still have last line of defense though, our atmosphere.

[REktSigMa]

For everyone who does not believe in something they cannot see. Here you go. Right here, is your proof that just because we can't see something does not mean it is not there.

[ClassicRiki]

9:31 What about concussive force, pressure and rate of cooling? Also what if you make the pottery near a magnet? See…there’s blatant flaws and they just make these sweeping presumptions

[JACOB]

Is the past we did not depend heavy on Electicity, so its going to be alot worse than what happend in the past. as we are not pre prepaired for it.

[janezimmerman]

As if humans won't have already offed themselves and all other life as it is now.

[victortiempo-toil]

One of the evidence of magnetic shield became weaker is that polar pressure decreases causing the break down of iceberg of mountains, electrons that moves from magnetic lines were already utilized for technological advancements that deviates natural distributions of electrons to injecting north pole and ejecting from south pole