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Hello! On this occasion, I will post about an interesting natural phenomenon called
'Bioluminescence'
Have you seen fireflies? They emit a beautiful faint light do they?
Have you heard about the luminous glowing tides along the shores of a beach?
They use it to attract the opposite sex
Just like endless sea of stars
Yes, both of the phenomenon is an example of bioluminescence.
'Bio' means life or something that relates to life, while 'Luminescence' means the emission of light from a source not resulting from heat. So the meaning of bioluminescence is the emission of light from a living being that is not a result from heat.
Bioluminescence occurs mainly in marine vertebrates and invertebrates, and in some fungi, bacterias, and insects. Bioluminescence is a product of chemiluminescence, which is the emission of light from a chemical reaction.
How does Bioluminescence works?
Bioluminescence works when animals mix chemical compounds to glow. Just like the chemical compounds inside a glowstick that emits light when mixed together. This method of light emission is far more efficient than incandescent light (light as a result from heat)
Since bioluminescent light is luminescent, it doesn't produce heat. Producing heat requires a lot of energy. So, basically bioluminescence is far more efficient than incandescence (example : light bulbs)
Are you thinking what I'm thinking?
Yeah, if somehow bioluminescence could somehow be 'manipulated' it could be the next alternative for eco-friendly lightsource.
The great news is that bioluminescence is already 'manipulatable'.
A group of researcher is already tinkering with bioluminescence. They plan to make a commercial glowing plant. The plant is being made by genetic engineering. They successfully transferred a gene from firefly to the 'target' plant. The result is a living and glowing plant!
With this new invention, they also laid the foundation for future projects that use bioluminescence. Just imagine it, maybe in the distant future, trees will glow and light the roads of our cities, who knows?
The Glowing Waves
So, for you who want to know how the glowing waves works, just watch the video below.
Credit goes to Peter Kragh for making this video!
The glowing waves is produced by bioluminescent dinoflagellates. There are 18 bioluminescent dinoflagellates in total, the most widely known is Noctiluca scintillans.
The dinoflagellates respond to movements by emitting light. The light is produced by the chemicals inside the dinoflagellates that's easily stimulated by mechanical disturbances. Therefore, when disturbed, either by swimming, waves, or boat, the chemicals react and emit an eerie blue glow.
Hello there! In the end of the mid-semester holidays, I want
to talk about how I spent my holidays. Talking about holiday, I’m really sad
that the holiday is going to end soon, I wish that we had more. Ah well, back
to school then.
Basically, I spent all my holidays curling up in my pajamas,
against my bed, inside my warm blanket. I felt so tired after all that time
spent at school that I become a “sleeper” in my holiday. Aside from sleeping, I
usually sing to my heart’s content. I think I’m good, but certainly not like profesionally
good. Singing is also one of my hobbies, aside from drawing. I usually sing
loud on my own, but that confidence is instantly gone the moment I sing in
front of people that I didn’t recognize. Aside from singing and sleeping all
day long, I also went to visit my relatives in Serang, Banten.
I visited them for 3 days. From 2 January – 5 January
precisely. I visited them with my family, we went there by car. The trip took
about 6 boring hours, luckily the traffic was great at that time. No traffic
jams, and the other sort of things. Well, that is until we arrived in Jakarta.
To get to Serang, there’s no other way except to transit in Jakarta. And we’re
trapped in a horrible traffic jam in the Streets of Jakarta. But amidst those
traffic jams, I found myself quite absorbed in the busy streets of the metropolis.
After transitioning from Jakarta, we directly went to Serang, to our relative’s
house precisely.
We arrived in our relative’s house at 8 PM. We have a fun
reunion, there were foods, games, musics, childrens, and a big smile in our
faces. We had a sleepover there. On the next day, we immediately went to a
beachside villa after taking care of our needs and packing our things. We went
at 11 AM. The trip took about 4 hours total as we arrived at the villa at 3 PM.
From there, we went swimming at the beach. Sadly, the weather’s absolutely
horrible. The wind is so strong, and the wave is so big. But, as a young lad
thirsty of adventure. I ignored the bad weather and procceed to swim at the
beach without much hesitation. After swimming at the beach, we had a grilled
seafood as lunch. It was tasty. We stayed in the villa for a night.
The next day is so boring. Since it’s raining hard, I was
prohibited to go to the beach. We left the villa soon after we’ve had our
breakfast. We went to our relative’s house one last time before we went back to
Bandung. At our relative’s house, we’ve been brought some souvenirs and foods.
After taking all that things and packing up, we said our goodbyes and went back
to Bandung. The trip took about 7 hours, since we also spend some time
searching for rest area and dinner. We arrived in Bandung at 11 PM. After that,
I went home to go to sleep.
What can I say for the trip? It was awesome albeit that the
weather’s horrible. I can’t really wait for the next holiday (of course!) That’s
all about my holiday, what about you?
1.What is Salar de Uyuni?
2.What does "Salar de Uyuni" mean?
3.What are the condition to make the salt flat turns into a giant mirror?
4.Due to lack of construction materials, what materials did the hotel use?
5.When was the first hotel erected?
1.How was the weather that day?
2.Why would the group of youngsters wait for the train?
3.Why did the young boy was surprised to see everything?
4.Is the son mad?
5.What is the moral of the story?
It was a sunny day, but the climate was enjoyable. Everyone in the railway station was waiting for the train to arrive. It was a holiday afterall, there was a group of friends, youngsters who are on board for a vacation.
It was a busy station with juice shop, mobile restaurants, coffee and tea stalls, newspaper shop, restaurants, everyone was busy with their own businness until the announcement regarding the arrival of the train was made. As soon as the announcement was made, they started to prepare for the arrival and went to their appropriate place.
As soon as the train arrived, the youngster hurriedly enters the train before anyone could.
The empty seats were filled and the train whistled to move. An old man with a young boy aged around 15 years came running to catch the train. They entered the train and the train started to move. They had their seats just adjacent to the friends’ group.
The young boy was so surprised to see everything.
He acclaimed at his father, ‘Dad, the train is moving and the things are moving backwards.’
His father smiled and nodded his head.
As the train started moving fast, the young boy again screamed, ‘Dad the trees are green in colour and run backward very fast.’ His father said, ‘Yes dear’ and smiled.
Just like a kid, he was watching everything with great enthusiasm and happiness loaded with tons of surprises.
A fruit seller passed selling apples and oranges. The young boy asked his dad, ‘I want to eat apples.’ His father bought him apples. He said, ‘Oh apple looks so sweet than it tastes’ I love this colour.’
The group was watching all the activities of this boy and asked the boy’s father ‘Is your son having any problem? Why is he behaving very differently?’
A friend from the group made fun of him and shouted, ‘His son is mad I think.’
The father of the young boy, with patience, replied to the friend-group.
‘My son was born blind. Only a few days before he was operated and got the vision. He is seeing various things in his life for the first time.’
The young friends became very quiet and apologized to his father and son.
Adapted from http://www.kidsworldfun.com/think-before-you-speak.php
Thank you , I really love the story. I hope to tell this story to all my friends in the english class.
Hi, I want to tell you about my experience
at Matswapati Festival that is held on the 27th of September 2014.
Matswapati festival is a West Javanese
cultural festival that is held by SMAN 3 Bandung. The festival used to be held
annually but for some unknown circumstances the festival stopped being held
annually, until in 2014 where the festival is being held again.
Matswapati festival showcases our West
Javanese culture and tries to present it to the younger generations, so they
learn to love their own culture. In Matswapati festival, we have a lot of
traditional art performances such as Wayang, Angklung performance, and many
more. Not only we do have a traditional value to attract the younger
generations, we also have Glenn Freddly and barsena to perform there as a guest
star.
Their performance was great, my favourite
moment is when Barsena sang Lorde’s “Royals” and when Glenn Freddly ask the
audience to take a selfie with him. Glenn’s performance ended the festival
quite nicely, I really love how he communicate with the audience, you can almost feel the interaction between the audience and the performer. It was such an awesome experience.
