Science & Technology

  GMC to Relaunch Hummer as Electric Vehicle America’s General Motors, or GM, is bringing back its Hummer truck. The new truck will different from earlier versions of the Hummer. This time, it will be fully electric. The automaker announced last week it plans to begin selling the  battery -powered vehicle, called the Hummer EV, in September of 2021. The new Hummer appeared in a television advertisement during the Super Bowl game last Sunday. However, only a small part of the front of the truck was shown. The ad attempted to show the  contrasting  nature of the vehicle: That it is a large, powerful truck, yet operates in complete silence. GM says it will introduce the truck to the public on May 20. So far, the company has provided few details about it. The Hummer EV’s battery will give the truck about 1,000  horsepower , GM  said  on its website. The vehicle can go from 0 to 97 kilometers per hour in three seconds. The automaker did not name a selling p...

 Difference Between RT-PCR and Antigen Test Reverse transcription polymerase chain reaction (RT-PCR) Under this, copies of a segment of DNA (deoxyribonucleic acid) are created using an enzyme called Polymerase. A fluorescent DNA binding dye called the “probe” is added to DNA, which shows the presence of the virus on a fluorometer. However, coronavirus is made of RNA (ribonucleic acid). Therefore to detect coronavirus, RNA is converted into DNA using a technique called reverse transcription. A ‘reverse transcriptase’ enzyme converts the RNA into DNA. Copies of the DNA are then made and amplified. For this test, throat or nasal swab is collected. The result of test comes in 4 to 8 hours. It is less faster but have more accurate results than rapid antigen test. This is test is most expensive of all those used for COVID-19. Initially, cost of test was capped at Rs 4500 but later removed. Rapid Antigen Test(RAT) These tests are designed to detect a specific protein in the virus that eli...

  What is Aquaponics and How Does it Work? Aquaponics is a combination of aquaculture, which is growing fish and other aquatic animals, and hydroponics which is growing plants without soil. Aquaponics uses these two in a symbiotic combination in which plants are fed the aquatic animals’ discharge or waste. In return, the vegetables clean the water that goes back to the fish. Along with the fish and their waste, microbes play an important role to the nutrition of the plants. These beneficial bacteria gather in the spaces between the roots of the plant and converts the fish waste and the solids into substances the plants can use to grow. The result is a perfect collaboration between aquaculture and gardening. Aquaponics is a big hope for sustainable organic crop production, aquaculture and water consumption. The fish waste is recycled and used for plant growth instead of throwing it in the ocean. The water is recirculated in a closed system lowering the consumption of this resource. ...

  Oppo Power Bank 2 With 10,000mAh Capacity, 18W Fast Charging Launched in India, Priced at Rs. 1,299 Oppo Power Bank 2 has launched in India as the latest charging accessory offering from the Chinese company. The new portable device offers 10,000mAh capacity and features 18W fast charging both for the power bank, and devices being charged. The Oppo Power Bank 2 boasts of a 12-factor safety assurance that protects the device from overvoltage, overcurrent, short-circuit, and other such incidents, according to the company. It comes with a specific low-current mode that can be used to charge devices like a smartwatch or TWS earbuds. Oppo Power Bank 2 price in India, availability, sale offers The Oppo Power Bank 2 is priced in India at Rs. 1,299. The charging accessory is now available for purchase on  Flipkart  in two colour options – Black and White. Sale offers on Flipkart include 10 percent instant discount on Federal Bank debit cards, five percent unlimited cashback on F...