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A Simple Demonstration

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If any nurses/retail workers/doctors/... are following me, I just want to thank you all for your service. I know you're overworked and probably underpaid, but without you, this outbreak would be even worse.

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reblog + tag your mbti type and your major / area of study … im tryna see something

infp + linguistics (sociolinguistics)

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15.03.2020

Last exam tomorrow. I hope it won't be cancelled last minute due to Covid 19 but our professor told us to check before coming all the way to uni...

That leaves me with a feeling of uncertainty. I just hope I can take that exam tomorrow and just be done with it. We'll just have to see!

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The electric and magnetic fields point in a particular direction. However, when you cross these two vectors and divide by μ0, the resultant vector ends up Poynting a different way.

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28 / 100 days of productivity 

all caught up on assignments and am ahead of the game with my film project!

lots of drama happening at my university right now! three students could possibly have covid-10, our president resigned, we could potentially go online instead of being on campus and such… interesting things going on here

also, i started up on reading again! i’m rereading a mango shaped space

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- - cute coffee shops and editing my writing sample for Graduate school - -

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Me when they said they will close down the Uni:

Me when they said they will close down the library:

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I miss going to the library the most 

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Studying Aerospace Electrical Systems | 5/3/2020

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11 March 2020

Spent a couple hours in a coffee shop with my sister working on my thesis. The cofee was pretty bad and my thesis is going to need a lot of restructuring, but I finally understand what ortho- and para-hydrogen are!

Also anxiously waiting to hear whether school is going online. My sister’s school just decided to do it so I think mine will probably follow suit??

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11.03.2020

Wrote my mechanics exam today and I don't really know what to think about it. I guess we just have to wait and see...

If I have failed I have to take an oral exam and I don't really wanna do that but I guess I have no other option then. Let's just hope that won't be the case.

Next monday I will write my last exam in this term. It's on electromagnetism and optics. I am madly in love with this subject so I hope I will have fun studying for it. And I already passed the test. I just get to second try for a better grade. So this is chill.

Life's good!

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The science behind COVID-19 (and preventive measures)

I’m pretty sure that everyone knows about COVID-19 (Coronavirus Disease 2019) by now - it has just been declared a pandemic by the World Health Organisation (WHO). But how does it infect our cells, and how can we protect ourselves against it?

Pathology

As with many other viruses, COVID-19 works by docking itself onto cellular receptors - in this case, angiotensin-converting enzyme 2 (ACE2). A spike protein on the virus binds to ACE2, allowing it to enter the cell - this pathway bears some similarities to the related virus which resulted in the 2003 SARS outbreak. As ACE2 is most commonly found in the respiratory system, the most serious symptoms are often respiratory in nature.

Symptoms include fever, dry cough, fatigue, phlegm production, and shortness of breath amongst others.

When the virus releases its genetic material into the cell, its genetic material directs our cellular machinery to synthesise viral proteins and replicate its RNA, which assemble in the cell and are released into the extracellular environment when formed, allowing the virus to be spread to other cells. The host cell may also eventually burst and die. 

Preventive measures

As COVID-19 is a virus, antibiotics do not work against it; antibiotics work by targeting bacterial structures or processes, which are are not present in viruses. 

Alcohol, on the other hand, works against both bacteria and COVID-19. This is because they have phospholipid bilayers surrounding them, which are dissolved by alcohol. This mechanical disruption of the viral envelope results in the virus being unable to merge with our cellular membrane and release its genetic material into our cells. Soap also acts as a disruptor of phospholipid membranes - which is why even non-antibacterial soaps are effective at slowing the spread of COVID-19. It is advised to wash your hands with soap regularly (for at least 20 seconds) and to use hand sanitiser if hand washing is not possible.

As COVID-19 is spread by respiratory droplets which can be produced by breathing, speaking, sneezing, and coughing amongst other ways, it is advised to avoid unnecessary human contact and to wear face masks if sick. Sneezes and coughs should be covered with tissue paper, which should be disposed of immediately. While there have been reports that COVID-19 can be spread by asymptomatic carriers, it is believed that it is most likely to be spread by symptomatic patients. 

What do I do if I’m sick?

If you’re in the US or UK, visit the links below and follow the instructions/guidance if you are sick; for other countries, please visit your country’s health ministry’s website for further guidance.

US: CDC - Prevent the spread of COVID-19 if you are sick

UK: NHS 111 - About coronavirus (COVID-19)

To all readers, please take all necessary precautions and stay safe! Wishing you the best of health. xx

Photo credits: [1] [2] 

Reference: [1] 

Extras: Check out Wash Your Lyrics to create your own customised hand-washing poster from any song of your choice! I used this website to generate the poster above.