Pollution and solution Nittambuwa
Pollution and solution
Pollution is the introduction of harmfull waste into the environment. These harmfull waste are called pollutants.
Pollutants can be natural, such as volcanic ash. They also can be created by human activity, such as trash and
Runoff produced by factories. Pollutants damage the quality of aur, water and land.
Many things that are needed for human beings creates pollution. Cars spew pollutants from their exhaust pipes, burning coal to generate electricity pollutes the air. Industries and homes generate garbage and sewage that can pollute the land and water. Pesticides—chemical poisons used to kill weeds and insects—seep into waterways and harm wildlife.
All living things—from one-celled microbes to blue whales—depend on Earth’s supply of air and water. When these resources are polluted, all forms of life are threatened.
Pollution is a global problem. Although urban areas are usually more polluted than the countryside, pollution can spread to remote places where no people live. For example, pesticides and other chemicals have been found in the Antarctic ice sheet. In the middle of the northern Pacific Ocean, a huge collection of microscopic plastic particles forms what is known as the Great Pacific Garbage Patch.
A surprising amount of pollution starts at home. The car you drive, the household and personal care products you buy, the chemicals and equipment you use to keep your lawn and garden in shape all contribute to water and air pollution. But there are consumer choices you can make that will reduce your environmental footprint. Consumers play a major role in creating pollution. By some estimates, household consumption is responsible for the majority of air and water pollution in the world.
But by being aware of how you use water, what you toss in the trash, how you drive and how you use energy around the home, you can take some simple steps to prevent a lot of pollution.
While you may think of pollution as a global problem, reducing pollution from your household can have more immediate benefits by improving your neighborhood’s
Other News Sri Lanka
Sri Lanka is one of the amazing countries in the world, i am not implying this course i am a citizen but living in this land for nearly 28 years made me realise how luckey i am. It is true that without the proper political foundation the coutry always try to be dragged backwards, but the amazing land and people who live here make this small island a beautiful place.
I am an academic who is keen to do research in novel technological field. As i observe in average 20% of my country can afford to engage within this new technological framework while other 80% is finding ways how to survive on daily bais. There are so many individuals with immense potential who could take this country to next level with research and innovation without disturbing the land and people, but mainly with poverty they have been forced to stay where they are and do what they are assigned to do. It is true that there are many helping hands toward us, but thise helping hands comes always through a cooperation and since the researches are placed at the last of the chain they cannot aquire the maximum benefit of it. Young proffessionals struggle to find funds to engage in their research to create something worthwhile which could make this country go forward even with one step.
'Land, people and nature' make Sri Lanka extraordinary among others..but are we doing enough to preserve these for our future?
கொவிட் தொற்றினால் உயிரிழந்த 9 பேரின் உடல்கள் இன்று அடக்கம் செய்யப்பட்டுள்ளதாக இராணுவ தளபதி ஜெனரல் ஷவேந்திர சில்வா தெரிவித்துள்ளார்.
மட்டக்களப்பு− ஓட்டமாவமடி பகுதியில் சடலங்கள் அடக்கம் செய்யப்பட்டுள்ளதாக அவர் கூறியுள்ளார்.
Other world news
📢 SE2021 📢
💥Buat Pertama Kalinya Kami Mengadakan Event Untuk Warga Wesing di Malaysia, Brunei, Indonesia dan Singapura
💥Assalamualaikum dan Salam Sejahtera dan SELAMAT DATANG💥
💥Kami dengan berbesar hati ingin menganjurkan :
💥EVENT PADA BULAN MARCH 2021 😂
💥Event ini terbuka khas untuk semua smulers dari
💥Peringkat SARINGAN akan bermula pada
👺BUKA OC - 12 MARCH 2021 /10.00 PAGI
👺TUTUP OC - 16 MARCH 2021 /10.00 MLM
(Terbuka 5 hari sehingga oc tutup)
👰LAGU WANITA/BEBAS FX
🎺 Pipiyama - Shiha Zikir
🎺 Parah - Parah - Ayda Jebat
👼LAGU LELAKI/BEBAS FX
🎺 Adinda - Anwar Gocha
🎺 Seperti Mati Lampu - Nassar
💥4 YES untuk ke STAGE 1
💥Semua OC untuk semua peringkat akan dibuka di acct WESING 🆔🎙@SAHABATEMPIRE
💥PESERTA WAJIB FOLLOW "ORGANISER" @SAHABATEMPIRE KESEMUA JURI & ADMIN💥
🎁Hadiah Wang Tunai🎁
🥇JUARA RM100 + Coin 50c Seorang
🥈NAIB JUARA RM70 + Coin 50c Seorang
🥉KETIGA RM50 + Coin 50c Seorang
🏅KEEMPAT RM30 + Coin 50c Seorang
🏅5th-10th Coin 50c Seorang
💥Peserta wajib meletakkan #SEE21anda sepanjang event berlangsung.
💥Peserta wajib mempunyai aplikasi LINE.
💥Pilihan SATU lagu sahaja dibenarkan.
💥Nyanyian lagu mengikut JANTINA.
💥Rakaman harus bersih tanpa sebarang bunyi/gangguan.
😈Keputusan JURI adalah muktamad dan sebarang bantahan tidak akan dilayan sekiranya ada yang tidak berpuas hati.
😈Pihak penganjur berhak membatalkan penyertaan sekiranya peserta tidak mengikuti syarat2 yang telah ditetapkan dan berhak mengubah syarat pada masa ke semasa.
😈Anda tidak dibenarkan menukar I'd smule sepanjang event berjalan. Harap maklum. Jika didapati menukar I'd smule peryertaan anda akan di tamat kan serta merta.
😈Pihak penganjur boleh menukar segala peraturan dari masa ke semasa.
😈Pembayaran anda akan dibuat 5 hari waktu bekerja sahaja (tidak termasuk Cuti Am, cuti Perayaan dan lain2.)
😈Pembayaran dalam bentuk Ringgit Malaysia, peserta wajib mempunyai account bank di Malaysia Sahaja.
⚽TERIMA KASIH ATAS SOKONGAN ANDA. ⚽
⚽SEMOGA BERJAYA/GUD LUCK⚽
⚽Tajaan OLEH :- ⚽
Sekian, Terima Kasih.
Starship SN11 prepares for rollout as SpaceX plans for the future - NASASpaceFlight.com - NASASpaceflight.com
Just days after SN10 completed the first – albeit hard – Starship prototype landing, SN11…
Just days after SN10 completed the first – albeit hard – Starship prototype landing, SN11 is set to rollout to the launch site for its own attempt. Incremental progress is being made with the test flights, with another tweak to the landing sequence set to be implemented, based on data gained from SN10. Meanwhile, the first Super Heavy prototype continues stacking operations while parts for up to Starship SN20 are being staged at the Production Site. These future vehicles are set to take up residence at a launch site SpaceX plans to expand, per updated documentation.Starship SN10: The clean-up of SN10 remains is continuing following what was a successful test flight. Despite the Rapid Unplanned Disassembly (RUD) that occurred minutes after landing, SN10 achieved more milestones than her SN8 and SN9 sisters – both of which crashed into the pad and exploded. SN10 mirrored the key objectives successfully undertaken by SN8 and SN9, including ascent profile, Raptor performance, and a stable return utilizing the aero surfaces. However, SN10 went a stage further, actually touching down on the landing pad in one piece. This was, in part, thanks to the refined relight process for the Raptors, with three engines igniting ahead of the flip maneuver. This was a refinement to mitigate the issue suffered by SN9, which called for two Raptors to relight, only for one engine to fail, resulting in the vehicle being unable to complete the flip to vertical. With all three Raptors lighting during SN10’s flip, the maneuver was completed. However, what was assumed to be immediate deselection of the one Raptor “with the least lever arm” wasn’t realized. All three Raptors remained on during the entire flip before two Raptors shut down quickly as SN10 came in for the vertical touchdown on a single engine. SN10 appeared to be heading for a smooth landing. However, some of her landing legs did not lock into place during their deployment – which was assumed to be why the vehicle eventually exploded by coming down hard on her aft skirt resulting in tilt on the pad. Scenes from the crash site. Starship SN10 landed, but shortly after experienced a RUD. This is the aftermath of that rapid unscheduled disassembly. Check out the mangled Raptor Engine in the 4th pic! @NASASpaceflightpic.twitter.com/Y3noq4NhN5 — Jack Beyer (@thejackbeyer) March 4, 2021 It was later stated that the landing burn was at fault, with Chief Designer Elon Musk stating, “Thrust was low despite being commanded high for reasons unknown at present, hence hard touchdown. Weve never seen this before.” As such, had all landing legs locked into place, that would not have protected SN10 from a hard landing. “This was way past leg loads. They got squashed hard,” Elon added. Regardless, this was still the first Starship to make it back to the pad in one piece. The challenge for SN11 will be to once again complete the milestones through to landing, with a refinement to the landing burn to mitigate against a hard touchdown. “Next time, min(imum) two engines all the way to the ground and restart engine 3 if engine 1 or 2 have issues,” Elon pointed out. Starship SN11: In typical SpaceX Boca Chica fashion, that “next time” could be just a matter of a week or so away, with Starship SN11 set to roll to the launch site as early as Monday, per local road closures. SpaceX has reduced the amount of time between rollout and launch with each Starship flow – and should SN11’s preliminary schedule hold, that pad flow record will be broken once again. Based on a rollout on Monday – and the understanding that all three Raptors are already installed on SN11 – the vehicle could be put through proof testing a few days later, with a Static Fire test by the coming weekend. Should all go to plan – not least with the Static Fire test where all three Raptors provide acceptable results – Starship SN11 could be in a stance to launch the following week. This vehicle will be the last of the current version of prototypes, with the next vehicle sporting the mostly-unknown modifications that Elon Musk hinted at on social media some time ago. SN15 Onwards and BN1 Super Heavy: Starship SN15 is currently in the Mid Bay, waiting for SN11 to depart. Once SN11 is at the pad, SN15 will be moved to the High Bay and receive its nosecone. SN15 will include a new design for the Thrust Puck and host a greater amount of TPS (Thermal Protection System) tiles. With the impressive production cadence in mind, SN16 and SN17 will become future stablemates inside the Mid Bay. However, parts up to SN20 – including its Leg Skirt – have already been spotted by Mary (@bocachicagal). To aid the test flight schedule, Mary’s cameras have observed an increasing amount of Raptor deliveries. The latest arrival was SN58, which points to an acceleration between delivery from SpaceX HQ in Hawthorne, California to SpaceX’s Test Center in McGregor, Texas, and onwards to Boca Chica for assignment onto future test vehicles. Some of these Raptors will be assigned to Super Heavy, with continued progress on the first prototype vehicle, BN1. BN1 is currently located inside the High Bay, behind SN11, and is now heading into the second phase of stacking operations. Booster BN1 section has been moved onto the new heavy duty stand at SpaceX Boca Chica. The label reads BN1 Booster Double. @NASASpaceflightpic.twitter.com/lsNdQCu67J — Mary (@BocaChicaGal) March 7, 2021 With all the sections now assembled, a new heavy-duty mount was rolled to the High Bay, ready to host the second phase of stacking, ahead of integration with the already-completed tankage. Launch Site: New planning documents were recently posted online showing SpaceX’s plans to greatly expand the launch site. Here is the SpaceX Boca Chica launch site construction plan. Looks like there will be two orbital pads, with SpaceX eventually expanding to the south.https://t.co/keJTm7OseSpic.twitter.com/v9DY5Deg3x — Michael Baylor (@nextspaceflight) March 7, 2021 The site expansion includes an extra landing pad, two Super Heavy mounts – complete with their giant launch integration towers that will also include cranes to mate Starships with the booster – along with numerous other additions. A large amount of work has already well underway at the Orbital Launch Site, mostly relating to the Ground Support Equipment (GSE) structures and groundwork for the first integration tower. Orbital Launch Site work – via Mary (@bocachicagal) This expansion was always on the cards, based on SpaceX’s plans to increase the frequency of flights from its South Texas site. Notably, Super Heavy’s future also includes the currently-mothballed facility at Kennedy Space Center’s 39A and via the use of two ocean platforms, Phobos and Deimos. Progress pics of the work to Phobos, one of @SpaceX new offshore spaceports. @elonmuskpic.twitter.com/jpwMvRT4oP — BigBoatDriver (@Herbo) March 5, 2021 As seen in updated before and after photos above, work is well underway on Phobos in Mississippi, with demolition taking place on its Bridge Deck and starboard third of forward house removed. According to the photographer, workers are now beginning to remove equipment from the tower, and its helicopter pad – sporting the words “SpX Phobos” – has been cut in half. Most content via Mary (@bocachicagal) **Support NSFs youtube channel by subscribing and/or joining here** Grab some cool gear along with the ability to support our content: https://shop.nasaspaceflight.com/
En fase II: medicamento contra el covid-19 arroja resultados alentadores - El Nacional
Los laboratorios Ridgeback Biotherapeutics LP y Merck MRK & Co. están desarrollando un nuevo tratamiento oral para el covid-19, llamado Molnupiravir
Un nuevo medicamento contra el virus del covid-19 está siendo desarrollado por los laboratorios Ridgeback Biotherapeutics LP y Merck MRK & Co., quienes le han dado el nombre de “molnupiravir”. Hasta ahora los estudios demuestran una reducción importante de la carga vírica en la fase dos. De resultar eficaz, este sería el primer fármaco oral para tratar la enfermedad. Lo que caracteriza a este nuevo producto es que a diferencia de otras medicinas, que atacan la proteína de la espiga en la superficie del virus, esta se centra en una de las zonas donde el virus se reproduce. La fase dos de las pruebas tuvieron la colaboración de 182 voluntarios. Asimismo, personas que presentaron los síntomas del covid-19 les administraron diferentes dosis de molnupiravir. Ninguno de esos infectados había sido hospitalizado anteriormente. Resultados De acuerdo con lo reseñado por The Wall Street Journal, los resultados de las pruebas arrojaron una carga vírica nula en los pacientes que recibieron el fármaco oral, quienes lo consumieron dos veces al día en un periodo de cinco días. Sin embargo, los que tomaron el placebo sí demostraron tener el virus. Por otro lado, una porción de los voluntarios que tomó una mayor dosis también presentaron niveles más bajos de coronavirus. Por su parte, Wayne Holman, cofundador de Ridgeback Biotherapeutics, dijo que con esos resultados, el molnupiravir se trata de un medicamento que inhibe la reproducción del virus en el cuerpo humano. “Los resultados también sugieren, pero no prueban, que el fármaco puede reducir la enfermedad”, comentó. Fase tres Ahora, el molnupiravir está en proceso de la tercera fase de pruebas, la cual debería concluir en el mes de mayo. Según el laboratorio Merck, esta etapa determinará si el fármaco podrá prevenir las hospitalizaciones y las muertes. “Es tentador e interesante, pero no es exactamente completo al 100%. Lo que tenemos que confirmar es que existe un beneficio clínico”, comentó por su parte Carl Dieffenbach, director de la División de SIDA del Instituto Nacional de Alergias y Enfermedades Infecciosas. La empresa Merck & Co Inc. detuvo un proyecto para un vacuna contra el covid-19 en enero de este año, luego de que uno de sus prototipos no tuviera la respuesta inmune que se requería.