14 Things Under a Microscope You Won't Recognize......@@@@@@@@@@besteducationpage

SUMMARY:

- Saudi Arabia, which is, literally, a sandy desert, has to import sand for construction purposes. The sand grains in the country are so tiny that they can't be used to make proper cement.

- Pines trees are real long-livers. Their age can reach 100 to 1,000 years! The oldest pine tree grows in Inyo National Forest in California, and it’s more than 5,000 years old. 

- A silk rope is actually stronger than a metal wire of the same diameter. At the same time, silk is less dense in comparison to wool or cotton. 

- The most amazing fact about starfish is that after they catch their prey, their stomach leaves their body through the mouth and digests the food.

- Butterflies can't regulate their body temperature. That's why they can't fly when it's too cold outside — their flight muscles just don't work. 

- Yeast can be used to produce electricity and to make biological car fuel based on ethanol.

- Honey is a product that never spoils. If you seal it in an airtight container, it will have an eternal shelf life.

- At the beginning of the 18th century, people made glue from a particular kind of fish: sturgeon.

- Anthocyanin, a flavonoid found in this type of cabbage, is to thank for the amazing color of the vegetable.

- At first, nylon was used to produce toothbrush bristles and parachutes. It was the first synthetic fabric in the world.

- Apples are some of the most popular fruit on the planet. There are more than 7,500 kinds of apples.

- The average American home collects 40 lb of dust a year. House dust contains dead skin, hair, pollen, paper and textile fibers, particles of soil, animal fur, and so on.

you know science is a fantastic thing it

allows people to learn tons of

information about the world that

surrounds them but even better and let

you look at familiar objects from an

entirely different angle

to do this you need nothing more than a

microscope in this video you'll see 14

commonplace things in a new light first

you'll have some time to try to guess

what you see in the picture then you'll

find out the correct and often entirely

unpredictable answer number one look at

these stunning colorful objects don't

they look like minerals and gemstones

that have arrived from some faraway

galaxy unfortunately it's unlikely

that's the case you get 10 seconds to

guess what it is

[Music]

in fact it's sand from Jing down

province in China as you can see sand is

a mixture of AD bitty pieces of minerals

rocks shellfish and corals

you might also know that people use sand

to make cement interestingly Saudi

Arabia which is literally a sandy desert

has to import sand for construction

purposes the sand grains in the country

are so tiny that they can't be used to

make proper cement now that's weird

number two oh it looks like an exquisite

sweet treat from the Middle East but if

you disagree with this assumption you

have ten seconds to invent your own

version of what this beautiful object is

[Music]

this thing is neither sweet nor edible

which you see in the photo is a pine

needle by the way pine trees are real

long livers no not the internal organ

you have their age can reach 100 to 1000

years the oldest pine tree grows in Inyo

National Forest in California and it's

more than five thousand years old

number three are they the frost patterns

that appear on your window on a cold

winter morning or maybe it's an

underwater warm party what's your guess

[Music]

you're absolutely right if you recognize

silk fibers under the microscope this

fabric may seem delicate and fragile but

a silk rope is actually stronger than a

metal wire of the same diameter at the

same time silk is less dense in

comparison to wool or cotton number four

this one looks like a corn cob that's

gone bad doesn't it on the other hand

this corn might not be spoiled but

rather grilled and covered with soft

yummy do you agree with this idea

[Music]

surprisingly this object has nothing to

do with food it's a red starfish

although starfish are living beings they

have neither brain more blood

sounds like a roommate I used to have

but starfish can live as long as 35

years the most amazing fact about

starfish is that after they catch their

prey their stomach leaves their body

through the mouth and digest the food

after that it returns into their body

boy if people did that at restaurants

Pat would be totally gross

number 5 isn't that a color swatch

people used to choose the color of their

future sofa or are these the roof tiles

of a very creative person's house you

have 10 seconds to suggest your own idea

[Music]

well this is how a butterfly wing looks

under a microscope interesting lay under

these bright scales a butterfly's wing

is completely transparent it's so thin

that you can see through it also

butterflies can't regulate their body

temperature that's why they can't fly

when it's too cold outside their flight

muscles just don't work number six

these look like weirdly colored tennis

balls or is it some exotic caveat you

have ten seconds to form your own

opinions

[Music]

these objects are also connected with

butterflies they are butterfly eggs

however not all eggs have the same

nearly transparent color depending on

the butterfly species they can be yellow

green or white butterflies glue their

eggs to leaves and grass and an egg gets

destroyed if someone or some thing tries

to move it from its place number seven

it must be some dangerous bacteria on

the other hand it resembles some human

body cells do you agree with any of

these assumptions if you agree you've

bet on the wrong horse what you see in

the picture is good old yeast yeast is

single-celled microorganisms and they

reproduce by budding interesting lake

yeast can be used to produce electricity

and make biological car fuel based on

ethanol and if you leased a real fast

one someday you'd have a least yeast

Beast number eight look at this beauty

is it spill gasoline or a crystallized

rainbow you probably have an idea of

your own

[Music]

if you decided that this is what honey

looks like under a microscope you are

absolutely right honey is a product that

never spoils if you seal it in an

airtight container it will have an

eternal shelf-life after all they found

perfectly edible honey in Egyptian tombs

that are thousands of years old it's not

only honeybees that produce honey there

is another insect the Mexican honey wasp

which is known to make honey as well but

you should be extremely careful with the

honey produced by these wasps it can be

poisonous because of the flowers honey

wasp prefer number 9 it can't be

anything else but droplets of water

don't you think wait

maybe these are several single celled

organisms what do you think

[Music]

actually that's neither a living

creature nor water

it's glue at the beginning of the 18th

century people make glue from a

particular kind of fish sturgeon as for

super glue it appeared as a result of an

accident and his creator was immensely

annoyed by how sticky the new substance

was number 10 the next image is

incredible it looks so fresh and the

colors are so vibrant is it fruit juice

it might be some crystal what do you

think

[Music]

this beautiful image is regular red

cabbage anthocyanins a flavonoid found

in this type of cabbage is to thank for

the amazing color of the vegetable you

can find this flavonoid in flower petals

and blueberries as well people also use

red cabbage as a natural dye for food

and clothes number 11 the next picture

can't be anything but hey pour some

coursepack thread you have ten seconds

to agree or disagree with these

assumptions

[Music]

in fact it's something you deal with

very often in winter you may have a pair

of gloves a scarf or a sweater made from

this material

it's wool throughout history wool has

been an important commodity in different

cultures people used it not only to make

clothes but also to get rid of oil

spills and control erosion on road signs

wool is a unique clothing material

because it has high fire resistance in

addition it doesn't melt when it catches

fire unlike polyester or nylon 12 what

do you think about the next image are

these several twisted metal wires this

construction looks very strong and solid

[Music]

this is how a knot of nylon fibers looks

under a microscope nylon melts at high

temperatures by chemicals or sweat don't

weaken it at first nylon was used to

produce toothbrush bristles and

parachutes it was the first synthetic

fabric in the world another interesting

fact about nylon is that ape got its

name from two famous cities New York NY

and London LOM 13th well this one seems

to be some kind of exotic wood but if

you take a closer look you can imagine

that you're peering at a fire

what are your associations

[Music]

get ready for a surprise you're looking

at frozen apple juice apples are some of

the most popular fruit on the planet

there are more than 7500 kinds of apples

they have different colors shapes

textures acidity juiciness nutrition and

even harvesting times so you can imagine

the variety of apple juices in different

corners of the world number 14 the next

image looks pretty unusual it might be

dirt under your feet in the street or

could it be a large-scale photo of a big

city taken from spades

what do you think

[Music]

the truth is much more horrifying what

you see in the photo is ordinary house

dust the average American home collects

40 pounds of dust a year house dust

contains dead skin hair pollen paper and

textile fibers particles of soil animal

fur and so on lunch any button if the

dust particles are super tiny dust can

stay in the air for as long as five days

at the same time more than 40,000 tons

of cosmic dust fall on our planet every

year arriving in the form of micro

meteorites from space so it's not all

about dead skin might be dead aliens

thanks to dust you can witness

breathtaking sunsets and sunrises but

dust that gathers in the atmosphere lets

red and orange colors through but

absorbs green and blue so which of the

objects you saw under a microscope

confuse you the most right about your

impressions in the comment section below

remember to give us a thumbs up share

this video with your friends and hit

subscribe to move to the bright side of

SUMMARY:

- Press the Windows key + Ctrl + D or Control + Up if you use a Mac. It’ll switch to a new fresh desktop.

-  Push the Windows key + Ctrl or the Control key on a Mac. Now you can switch between all the virtual desktops you’ve made by using the left and right arrow keys.

- If you have too many apps open and you need to use another one hidden behind all those windows on your desktop, you can minimize all of them at once by pushing the Windows key + M.

- If you want much faster access to your most used apps, consider keeping them on your taskbar. It’ll speed up your workflow even more if you use the following combination: the Windows key + a number key from 1 to 9.

- Open one app that you need for your work and press the Windows key + left arrow. Then, open another app and click the Windows key + right arrow. Now, two windows are sharing your screen!

- Pressing Ctrl + Alt + Tab will show you all the apps currently running on your PC.

-  To avoid restarting your device and losing all your progress, try using the following combo: Ctrl + Shift + Esc or Command + Option + Escape if you’re working on a Mac.

- Pressing the Windows key + E opens the file manager window on your PC. For Mac users, this is your Finder app.

- The Windows key combined with the + or - key will open the magnifier app, which allows you to zoom in and out wherever you point your cursor.

- Use the Windows key + Print Screen to take a screenshot and immediately save it in the Image folder on your hard drive.

- To open Bluetooth, simultaneously press the Windows key + A. For Mac users, your Notification Center is always a click away in the top right-hand corner.

- If you need more tweaking or access to more advanced parameters of your PC, you can have it all! Use the Windows key + I to do just that.

- To open Cortana on Windows in listening mode, press the Windows key + C. And to summon Siri on Mac OS, hold Command and Space together. “Hey, Siri!”

- If you suddenly need to step away from the computer but you don’t want anyone meddling in your stuff, you can quickly lock your user profile. Simply push the Windows key + L or Shift + Command + Q on a Mac.

[Applause]

you know we all have that one friend or

co-worker whose computer skills make us

feel like a Neanderthal they barely

touch the mouse their screen lights up

with all kinds of tasks and boxes and

their fingers go lightning-fast on that

keyboard they even have time to casually

chat with Siri or cart Anna and stream

games afterwards but this is no sorcery

your friend is simply a whiz when it

comes to hotkeys and you can be too

let's start with a skill every computer

maestro needs to know number one create

a virtual desktop imagine you're in the

middle of some work project or research

you've been doing all day

when you need to deal with another task

immediately opening new tabs and windows

will just slow you down and mess up your

workflow so you need a new clean desktop

well just press the Windows key + ctrl +

D or ctrl + up if you use a Mac it'll

switch to a new fresh desktop and you

are ready to go number two switch

between virtual desktops okay but where

is all that precious work you were doing

before is it gone forever don't panic

it's just hiding to get it back push the

Windows key + ctrl or the ctrl key on a

Mac now you can switch between all the

virtual desktops you've made by using

the left and right arrow keys when

you're done with the second task and

sure you no longer need that desktop you

can close it by pressing the windows key

+ ctrl + f4 on a Mac hold down the

option key and click on the X signs that

appear over any open desktop spaces to

close them

[Music]

number three returned to the desktop

from apps if you have too many apps open

and you need to use another one hidden

behind all those windows on your desktop

you don't need to minimize them all one

by one you can minimize all of them at

once by pushing the Windows key + M you

can also take a peek at your desktop

with the Windows key + comma or command

+ f3 for OS this is a handy little trick

if you work with information from

desktop widgets or if you really need to

take a break for a second and look at

the fluffy kittens or fields of calming

green grass you use at your desktop

wallpaper number 4 open an app from the

task bar if you want much faster access

to your most used apps consider keeping

them on your taskbar it'll speed up your

workflow even more if you use the

following combination the Windows key

plus a number key from one deny each

number represents an app in your taskbar

from the left to right and this combo

will bring up the necessary one

unfortunately there's no similar hotkey

for OS but I'm pretty sure Mac users are

quite content with a Mac's awesome app

navigation

number five split-screen between two

apps want to see a magic trick try this

open one app that you need for your work

and press the Windows key + left arrow

then open another app and click the

Windows key + right arrow now two

windows are sharing your screen checking

facts in your academic work while

looking directly at your sources no

problem

photoshopping while watching bright side

videos haha easy peasy

number six switch apps there are several

ways to effectively shift from one app

to another and to manage them on your

desktop using hotkeys pressing ctrl +

Alt + tab will show you all the apps

currently running on your PC again Mac

is known for rocking the app navigation

game so it's a bit easier on OS it's

just ctrl + tab another way to open the

task view press the Windows key + tab

this is the PC equivalent to the Mac's

Mission Control it provides a broader

view of open windows and available

desktops and it's much more convenient

to use and finally there's the hotkey

Alt + tab or command + tab on a Mac that

will allow you to swap programs without

previously displaying them like a deck

of cards if you work with just a couple

of windows at once this one's for you

[Music]

number 7 program management and

troubleshooting let's go shoot us some

trouble now listen carefully because

you'll want to remember this one

everyone's been there one program is

stuck and won't process anything even if

you cry big or try to bribe it to do so

to avoid restarting your device and

losing all your progress try using the

following combo ctrl + Shift + escape or

command + option + escape if you're

working on a Mac it'll open the task man

which will help you force quit any

malfunctioning app or stop the ones that

aren't responding losing some data from

one faulty program is not the same as

losing all your data from all of them

[Music]

number eight Open File Explorer not all

your apps need to be on hand all the

time for you to work faster some of them

are standard programs built into your

computer and there's a quick and

convenient way to access them pressing

the Windows key + e opens the file

manager window on your PC for Mac users

this is your finder app 9 use the

magnifier ever dreamed of becoming one

of those TV detectives that can find

anything on any picture no matter how

tiny the image is enhance the image

I need 10x zoom yeah you can totally do

that on your computer the windows King

combined with a plus or minus key will

open the magnifier app which allows you

to zoom in and out wherever you point

your cursor the same goes for Mac OS but

you need to use the combination of all

command + + to zoom just don't expect to

be catching any criminals from the tiny

inverted reflection bouncing off an

earring or something

[Applause]

number 10 take screenshots oh you found

that tiny evidence well you better

collect it use the Windows key plus

print screen to take a screenshot and

immediately save it in the image folder

on your hard drive Mac also lets you

take screenshots by pressing command +

Shift + 3 but for you it gets even

cooler if you push four instead of three

you'll be able to choose what part of

your desktop you want to snap a picture

of or even take a screenshot of only one

exact window

number eleven use action center set up

bluetooth connect with devices in your

network use your PC is a Wi-Fi hotspot

turn notifications on and off those and

many other functions and newer versions

of Windows are available in one place

called Action Center to open it

simultaneously press the window key plus

a for Mac users your Notification Center

is always a click away in the top right

hand corner 12:00 access the settings if

you need more tweaking or access to more

advanced parameters of your PC you can

have it all use the Windows key + I to

do just that

[Music]

13 talk to Cortana or Siri task managers

thorough researchers life organizers

interesting conversation partners

nowadays computers come with a personal

assistant literally built-in Siri and

Cortana can do it all and you can call

them up with just one touch to open

Cortana on Windows in listening mode

press the Windows key + C and the summon

Siri on Mac OS hold command + space

together

hey Siri 14 use the Windows game bar so

you've been working hard all day

bringing up these desktops and whatnot

you come home and it's time to relax to

a nice gaming session and here it comes

that exciting moment when you finally

beat that insane boss fight or you and

your friends had a hilarious exchange or

epic battle in the online game you're

playing together ah if only you could

capture that moment forever well

actually you have everything you need

right in the game bar feature on your PC

you can bring it up at any time by

pressing the Windows key + G to set up

recording manually but that's not all

game bar itself has a hotkey for

starting and stopping recording just

press windows + Alt + R you can even

start streaming by pushing the windows

key + Alt + B Mac OS also has its own

feature for capturing videos and it's

really simple to use press shift +

command + v to record the screen using

QuickTime Player

[Music]

fifteen lock down your PC let's say you

share a computer with your family or

coworkers and you've spent all day

looking for the perfect gift for your

mom or slacking off at work and you

don't want anyone to know about it if

you suddenly need to step away from the

computer but you don't want anyone

meddling in your stuff you can quickly

lock your user profile simply push the

Windows key + L or Shift + command + Q

on a Mac just make sure you set up your

password first and don't forget it

pretty cool huh hey which hotkeys make

your time on the computer smoother and

faster let everybody know down in the

comments be sure to give this video a

like share it with your friends and

click subscribe to always stay on the

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