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【】画質プリセット変更のためアシッドさんとテスト放送!!! - Duration: 3:57:47.
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LAZER HELMET Unboxing and GIVEAWAY - Duration: 8:37.
(groans)
- [Man] Morning, trainiacs.
It's early.
But, this came yesterday.
(opening package)
And I'm pretty sure I know what it is,
and I'm pretty sure you're gonna dig it,
and there might just be a giveaway involved in
one of these.
Yeah!
(upbeat music)
How could I have forgot about you, delicious coffee?
(slurps)
I'm bad at patience.
Let's just get into this.
So, I believe
what happened here
was
last October, Rancona made a big splash,
got a couple of views.
Apparently, while that was happening,
the people at Shimano
were watching.
And they went, "we kinda like this stuff."
So, I got emailed the week after
I came back from Kona, and Tyler,
from Shimano said,
"Hey, we just acquired Lazer Helmets.
Can we send you some stuff?"
Ooh, ooh.
I know what this is.
This is the Hard Aero shell for the road helmet.
More on that.
But at the time, I was like, you know,
I'm kinda chatting with Rudy Project.
I met them down in Kona.
You know, I don't wanna
just ditch them 'cause another girl came along.
And
I chatted with Rudy, I've chatted with Shimano.
Long story short, we're unboxing a bunch of Lazer helmets.
(rustling)
Oh boy, three.
We got
a Lazer
Z1 road helmet,
(rustling)
a Lazer
Bullet Aero road helmet.
(rustling)
and a Lazer Wasp Air Tri
Aero helmet.
But wait, it's not just that.
There is more for you.
Let's crack these babies open
so you can see what I'm talking about.
So, that there is the Wasp Air Tri helmet.
They have the Wasp Air, but it's got a longer tail,
so that when you're in a triathlon
and you're sitting in the aerobros for a long time,
and you have your head pick up
or you move from side to side,
that would end up creating a bunch of drag,
but the shorter tail ends up being
a little bit more aerodynamic.
Plus,
I look so good.
(thumping)
The bullet is their Aero road helmet.
Think of it like,
I think it's a specialized Vade,
where you can use this
for road riding and aero riding,
because it's got aerodynamic features to it.
Also, looks pretty groovy, no?
Hm-hm?
Yeah.
And finally, the Z1 is their road helmet.
Just the standard everyday road helmet.
(rustling)
Which also doesn't look too shabby,
hm, hm hm hm hm hm?
Particularly with the hard shell.
(tapping)
All right, so let's talk about each of these
and why over the course of five months I've been into
what Lazer's doing.
Now, they're not a very well-known brand
in North America, they're a Belgian company,
but when you go over to Europe,
they're like, the cat's pajamas for helmets,
and there's a lot of reasons for that,
that I was like, oh, "I kinda thought you guys
were the cheap helmets,"
but they are very much not the cheap helmets.
Now, let's start with the road helmet,
'cause I think this is what will really appeal
to a lot of you trainiacs getting into tri,
and not wanting to spend a few hundred dollars
on a road helmet, many more hundred dollars
on an aero helmet,
you can get almost all of the aero benefits
with just this Z1,
if you take the Z1 and put this $20 hard shell on it.
And this is apparently almost as aerodynamic
as a lot of this.
In addition to that, most of the Lazer helmets have,
you see that there's like kind of just a space here
that's flattened out on the back?
A lot of these helmets have the ability
to not just be a helmet,
but you can add sensors on the back.
So in this case, you can actually add a heart rate sensor
onto the back of this Z1 helmet,
which is more accurate than a chest strap.
Beyond that, the dial to adjust the helmet tension,
like the sizing of it, is on top, which you can still access
when you put the shell on, and just allows that fit
to be a little bit tighter in so you can wear things
like caps and stuff like that.
In the Z1, you got yourself a helmet
and aerodynamic capabilities.
Pretty cool.
The Bullet.
This is brand new.
This is very bad-ass.
See the venting on the front?
Right now totally closed, completely aero.
This is totally fine for when you've got a cooler day.
You go like this,
(crack)
Bam! And all of a sudden you got vents there,
and there's vents like a car vent on the inside,
that also flop up, so you've got more venting in here
that goes back behind your head.
(snapping)
Same sort of thing on the back here.
So, you remember how I said that you can add gear
onto the back of these?
They already included the life beam sensor onto this,
which then goes around, and up at the front
there's a sensor on the forehead
that's reading your heart rate data.
Pretty sophisticated for a hunk of plastic, if you ask me.
Let's get these outta the way,
and talk about their triathlon masterpiece,
the Wasp Air Tribe.
As I mentioned, shorter tail, so it's more aerodynamic.
Integrated visor.
When you integrate the visor into the helmet,
it becomes a more overall aerodynamic structure
as opposed to glasses that sit inside this helmet,
keeping like a scoop at the front of your face.
The visor has three positions, upright right now,
and more and more aerodynamic, less and less ventilation
as you go down.
The visor beads off smudges, water beads, fog.
This ventilation panel at the top is replaceable
so you can cover that entire thing up, and
how cool is this?
When you wanna take a bottle of water on the course
and go
(splutters)
all over your head, you gotta little hole to be able
to do that, and that hole goes into your head,
and then the helmet is designed to whisk it away
back behind your head as opposed to in your eyes.
See here?
You got that little ridge?
That's intended to disturb the airflow,
and instead of alright, aero, aero, aero, aero, aero,
Wham!
You disturb all the airflow.
You're not changing the airflow, because it's already
just slightly disturbed because of that ridge.
And, apparently, all the helmets pass the minimum
safety standards by two and a half times.
Not a little bit. A lot.
So Lazer isn't paying me to do this.
I'm not exclusive with them yet.
I've just talked with them over the last bunches of months,
learned more and more about their helmets, and I'm like,
"You know what? I like it. I want to give you guys a try,"
but you know who needs a helmet?
You guys.
Because, here's what happened that delayed this
just a little bit.
They sent out a box about a month ago that had in it
one very nice, very attractive box with nothing in it.
However, the other box in that box featured an extra
Lazer medium
Bullet helmet,
which I now don't need
because I have one,
and I would like to give away to you.
So, if you're diggin' these and you're interested in
trying out these Lazer Helmets, there will be a link
in the description below to a giveaway where you can win
actually this helmet.
Think about it.
Your head can have something that my grubby seven A.M. in
the morning mitts have touched.
And, I'll keep that link open for five days.
So, enter it and win yourself a helmet, and some venting,
and some paperwork, and a not empty box.
You know what?
I should go on Zwift with my helmet.
I'd look so good.
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Digimon Arena (Final Update) - Gehenna, Miracle Ring and Necklace, Purple Digivice and more! - Duration: 5:13.
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Roland Buck III - Vlog 1 Trailer - Duration: 0:26.
Day in the life. Let's go.
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15 THINGS EVERY MAN WANTS IN BED 💋 - Duration: 5:25.
15 THINGS EVERY MAN WANTS IN BED 💋
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BRAKES: How They Work | Science Garage - Duration: 8:22.
- We've all been there.
You're driving along when something happened.
(crashes)
Today, we're gonna look at the main thing
that saves your butt in situations like that,
your brakes.
Alright, everybody bring it in.
- [All] And
brakes!
- The core concept of a vehicle's braking system is simple.
An object is in motion
and it needs to stop being in motion.
Brakes use friction to decelerate.
The wheel has energy in the form of movement.
The brakes apply friction
and create heat energy.
Once all the movement energy is transformed into heat,
your car stops.
It's not magic, it's physics.
To stop, you need friction.
This simple concept
is what almost all vehicle share
in their efforts to come to a stop.
What isn't shared between vehicles
is how that friction is applied
after the pedal is pressed.
The very first brakes
were just pieces of wood that pushed on the wheels.
It worked, but it wasn't that great
because it beat the crap out of the wheel.
(speaks in Russian)
The simple solution
was to attach something to the wheel
and slow that down.
In 1900, Wilhelm Maybach
became the first car maker
to put a drum on a wheel to assist with braking.
Slowing down the drum meant the wheel woudn't take the wear.
Good thinking, guys.
Here's what a drum brake looks like.
This drum is attached to the wheel.
Inside of it are these two heat-resistant pads.
When you press the brake pedal,
these pads are squeezes up against the drum.
The pad slow the drum
and the drum stops the wheel.
Early cars also used a bunch of cables and pulleys
to get the pressure from the pedal to the wheel.
When you push the pedal, it pulled the cable,
and the brake wires needed a lot of maintenance,
and often they snap when you needed them the most.
Another downside was the precision required.
If a lever was off or a wire was tensioned wrong,
the different wheels
would receive different braking pressures,
and that's just unsafe.
Hydraulic brakes on the other hand
use pressurized fluid to push the brakes.
When you hit the pedal,
a plunger depresses in the master cylinder.
That sends the pressure through all of the brake lines
to all four wheels at once.
Hydraulic brake lines rarely rupture.
They don't require the maintenance of mechanical lines
and they required very little pressure from the pedal
to be effective.
By 1950, hydraulic brakes
were really the only braking systems left in cars.
Drum brakes were pretty good,
and we use them in most of the production cars
up into the '80s.
Their major drawback, however,
was that under intense conditions with frequent braking,
they got really hot.
If they're too hot, they can't change
the energy of motion into heat.
That's bad,
because that's when you need them the most.
Let's build some better brakes.
An increased coefficient means better braking,
but it also means you need better cooling.
One way to create more friction
is with the materials in the pad.
Pads have to be strong enough to stop a wheel,
but strong enough not to damage the drum
or sound like death.
(laughs)
Another way to increase friction is to apply more pressure.
Drum brakes push out.
The brain trust making brakes realized
you can create more pressure by squeezing in.
And lastly, you have to increase suffice area
the greater surface area means more friction
The best way to improve friction and avoid heat
is lose the drum, squeeze to a stop,
and increase surface area.
So instead of a drum, they use a disk.
The disk or rotor is attached to the wheel
and rides inside a caliper.
The caliper squeezes the brake pads against the rotor
and the wheel comes to a stop.
Disk brakes cool off better
because they're not inside of a drum.
The air cools them.
The bigger the brake and caliper combination is,
the more friction they can generate
and the more easily they can dissipate the heat.
Like many automotive advancements,
the first disk brakes used in racing
were in Formula 1 in 1951.
In 1955, Citroen became the first company
to put them on production cars.
They were more expensive to manufacture,
but as cars became faster,
disk brakes became necessary.
That's not to say that drum brakes are more dangerous.
We still use drum brakes.
When a vehicle slows,
it's weight gets transferred
mostly to the front axle.
The front brake usually does about 70% of the work,
leaving the back brakes with a lighter load.
James, what are you doing, man?
- What are you doing driving in the freaking street?
- Sorry almost hit you.
We cool?
(munching)
- Because drum brakes are cheaper
and simpler to produce and maintain,
most auto makers use them on lighter cars
or entry level models because,
well, because they're adequate.
The rotors can have any number of tweaks
to make them more effective,
and most of them have to do
with getting rid of that heat energy.
Some have a gap in the middle to let air in.
Some have fins in this gap
to pull air in,
and some would have holes all around
so that they could let air in and out
all over the place.
Your car's brakes probably
won't get above 400 degrees,
which is still super hot.
That would cook a pizza in 50 seconds.
- Pizza?
- Most pads are made of semi-metallic material,
synthetics mixed with difference proportions
of flaked metals.
Race disk brakes can reach temps over 1,000 degrees.
(whirring)
So race pads are composed of sintered steel
without any synthetic additives.
They work best at high temperature
because the demand on them is so high.
If you put them on your daily,
they're gonna squeal like heck.
Just ask Tony.
It's adorable, right?
He's got his headphones on.
If your brakes squeal,
that usually means your almost out of pad.
Manufacturers put an indicator in them.
So they shriek like banshee.
(shrieking)
Even if it turns out that that's not the issue,
squealing brakes mean something is not right.
They could be vibrating and not lined up right,
or maybe some foreign matter got in there.
And that can cause pretty big damage in the long run.
Ever since we started going fast,
we had to look for better ways to stop.
We've come a long way
from just smashing wood on wheels.
So appreciate your brakes
because they keep you from being dead.
Okay, I guess it's time to put a stop
to this episode of Science Garage.
No one wrote that.
Thanks to Skillshare for sponsoring this episode.
Look, if you're watching Science Garage, you like learning.
And if you like learning, you'll love Skillshare.
Skillshare is an online learning community
with thousands of classes
in design, business, technology, and more.
You wanna make cool motion graphics of a brake drum?
Well, they got courses for that.
You wanna make sick beats like our background music?
(bass music)
Well, then you can learn how to mix music
with young guru.
I am telling you,
the instructors on here know what they're doing.
Premium membership gives you unlimited access
to high quality classes on must-know topics
so you can improve your skills, unlock new opportunities,
and do the work that you love.
Skillshare is also more affordable
than most learning platforms out there.
An annual subscription is less than $10 a month.
That is crazy.
That's less than two double pump half cup mocha lattes.
And what's even better
is that the first 1,000 people to sign up
with the link in the description
will get their first two months for 99 cents.
So go to http://skl.sh/sciencegarage
or click on the link in the description.
Go get skilled, get Skillshare.
Guys, thanks for talking with me today
about how brakes work.
If you guys wanna know
some of the best modification you can do your own car,
check out this vid from Tony.
If you guys wanna know other stuff about safety,
check out this video about helmets.
Guys just another reminder,
we've got merchandise.
Do you guys like this shirt or you want a sticker?
Go to shop.donut.media.
We do a lot of fun stuff.
If you wanna see more of it, guys,
follow us on Instagram @donutmedia.
You follow me at Instagram @bidsbarto.
I love reading your comments.
I love talking to you guys.
Thanks for watching.
Don't tell my wife I took her brakes.
It'll be on tomorrow.
(clink)
(cheerful music)
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TIME ENTANGLEMENT AND THE SUPERNATURAL - Duration: 6:43.
TIME ENTANGLEMENT AND THE SUPERNATURAL
BY Robert Torres
�When you look into the abyss, the abyss also looks into you.� ~Nietzche
I read this in the context of quantum entanglement: that as the observers we become part of a
quantum system � one with the observed. More like-minded scientists are coming to
the realization that we are the cause of many of our own phenomena.
Have you ever felt like you�ve been here before or maybe you know what�s about to
happen, or maybe even something does happen and it seems like it was meant to be? These
things have happened to me many times over and they were so weird that I was compelled
to look for answers. D�j� vu, Precognition, ESP, Synchronicity are just a few of a number
of often memorable events that standout and we might categorize them as �supernatural�
because there is apparently no logical or natural explanation for them.
But what if science had the answer all along? And if it happens all the time to so many
of us then how could we still be calling it supernatural? It would be natural right? And
I�d like to believe it�s real and that we�re remembering real events out of time
� �from the future.� What? Yes. Through what I�ll call neural or �neuronal entanglement.�
So my idea is pretty simple and yes after much research, others have thought of almost
the same thing too � �almost.� Although it is science based, much of the mechanisms
involved like the science itself are still mysterious. And it has to do with entanglement
but not just of subatomic particles � �neurons.� And even though it works the same way, because
they are neurons they are directly connected to your consciousness.
How you think, your memory, space, time and much like many have proposed before as theory
like �Entangled Mind,� author Dean Radin, who believes in entanglement, can explain
ESP. He suggests as I do, the connectedness of everything in the universe and like Bohm
that everything is one with no separation. Also much like John Wheeler�s extreme one
electron theory, but I suggest just as many hypothesize that the entanglement is also
through time as well as described by physicists at the University of Queensland �time-like
entanglement.� Only I believe this characteristic includes the ability to not only exchange
information from past to future � but also back to the past. As I�ve written in a previous
article called �Is Communication from the Future Already Here?�
The late and brilliant theoretical physicist John Archibald Wheeler believed it is and
he has some very interesting conceptual writing on reverse causation or �retrocausality�
in his updated double slit experiment, aka �delayed choice.� When I began to think
much of this through, originally entanglement hypothetically bypasses the spacetime dimension
completely as if it wasn�t there. This means instant superluminal communication (faster
than light) at any distance. But according to some of our other physicists it also breaks
the time barrier by being able to communicate into the future. With Wheeler believing the
future can affect the past.
So if we account for these characteristics together we have our own entangled neurons
communicating with each other faster than the speed of light at any distance through
time. And if you think that I�m stretching then it�s like George Orwell said: �There
are some ideas so absurd that only an intellectual could believe them!�
Of course many believe we can�t be entangled on such a large scale (above sub-atomic).
Even so for others like me, we only need to observe. And every single one of these so
called new age theorists are doing the same. Let�s not forget that the supernatural can�t
be explained by science, and everyone agrees on that. But many of us believe in things
like Synchronicity, precognition and ESP because it�s an observed human reality.
You will begin to see when you come to the realization that all of most of these fringe
topics are not accepted. Tesla said:
�Today�s scientists have substituted mathematics for experiments, and they wander off through
equation after equation, and eventually build a structure which has no relation to reality.�
Tesla was hands on � believing much of theoretical physics lacked, observed reality. Tesla also
said:
�The day science begins to study non-physical phenomena, it will make more progress in one
decade than in all the previous centuries of existence.� ~Nikola Tesla.
How important then is quantum entanglement? To science it could mean everything or the
hypothesis of supernatural abilities (psi / chi) it could mean everything as well. If
we are talking about entangled neurons then within the field of the often apparent paranormal
or supernatural forces it may actually just be a natural part of reality. Among those
who believe, it�s just part of our normal consciousness � it is the way it is. Others
however think it�s a leap. Glitches in our individual timelines are also a consistent
part of the natural order happening more with some than with others. Why? And the fact that
with synchronicity they come along with purposeful meaning? That still only the universal mind
knows the answer to.
If you believe Einstein, he makes it simple! Believing in determinism or that everything
in the universe, including every human act is pre-determined and there is no free choice.
Even with his science of time as a dimension, it only becomes more solidly fixed. Spacetime
or Minkowski�s �block time� gives us fixed points of our individual life lines.
If we could travel time then we can always come to these fixed points which are arbitrary
but will always be unchanged. Yesterday at 3:00 pm you were exactly here and this occurred,
or 15 years ago it doesn�t matter because it has already passed and you can�t go back
to change it, he believed. Everything that happened already occurred and our memories
will always remain the same as part of our timelines � entangled forever.
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Best Coloring Pages for Kids | How to Draw and Color an Airplane | Art Colors with Colored Markers - Duration: 10:33.
Best
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