Studnets of Srinivas Colg invent communication device for speech impaired

Mangaluru, Apr 23: An astronomical phenomenon, ‘Zero Shadow Day', will be observed in Mangaluru on April 24 and in Udupi on April 25. 

According to a press release from Poornaprajna Amateur Astronomers’ Club, the wonder will commence and people will see their shadows disappear for a few moments at 12:28 pm.

The phenomenon is called as Zero Shadow Day. If a person takes a candle in a dark room and use it to create a shadow of one’s palm on the wall, the hand will cast shadow on the wall as one moves the hand. But when one places the palm on the wall, there will be no shadow.

In the phenomenon, the sun at these times shines exactly above the heads on these days. In astronomy, this point is called as Zenith. The point in the sky directly above an observer at any given location. So it is quite clear now that on Zero Shadow Day, the sun passes through the Zenith as a result of which, all objects will have minimal or no shadow if they are on the ground.

The reason for this happens on some specific days is concerned with astronomy. The earth spins around on its own axis and causes days and nights. It also revolves around the sun causing a year. But the seasons are caused because the axis is tilted at an angle of 23.5 degrees. It is because of this tilt that the sun rises every day in the east gradually moving towards the north till June 21st and then slowly proceeding towards the south till December 21st every year. “We call these days solstice. This means the sun shines between the Tropic of Cancer and Tropic of Capricorn every day passing by the equator on the days we call equinox,” the release stated.

As the earth moves around the sun and revolves on its own axis, for all the people between Tropic of Cancer and Tropic of Capricorn, the Sun at noon moves father and closer to the zenith passing through zenith twice causing two Zero Shadow Days per year. People at Mangaluru will observe this on April 24 and August 18 every year and People in Udupi will observe this on April 25 and August 17 every year.

Places with same latitudes will observe the same days of Zero Shadow but the time would vary with longitude. For example, people of Bengaluru as they share the latitude with Mangaluru will also observe it on April 24. While the people of Mangaluru will observe their shadows disappear at 12.28pm, people of Bengaluru will observe this at 12:17pm. Places like Moodabidri, Bantwal, Sakleshpur and Hassan will also observe Zero Shadow on April 24.

Places like Brahmavar, Karkala, Sringeri, Kudremukha, Chikkamagaluru will observe the Zero Shadow Day on the same day as Udupi on April 25.

Bengaluru, Jun 5: A COVID-19 patient, who was admitted to Victoria hospital, has recovered from the disease after he was administered convalescent plasma therapy.

He is the second patient in the state who has recovered from COVID-19 after the therapy.

"I am happy to inform the second plasma therapy patient has recovered and shifted out of ICU. This middle-aged patient was admitted in Victoria hospital ICU with severe COVID-19 illness and was also diabetic with poor sugar control," Dr Vishal Rao, HCG Hospital Bengaluru said.

"The patient received convalescent plasma on May 27, since then there was steady improvement in patient's condition and was taken off high flow nasal oxygen on June 2, 2020, and is at present on a minimal oxygen, shifted toward yesterday. With the rapid recovery we hope to discharge the patient soon," he said.

Speaking further, Rao said: "This is a significant improvement and reassuring. We hope to see him recover completely and will closely monitor the condition going forward to send the patient from ward to home."

In Karnataka, 4,320 coronavirus cases have been reported including 1,610 cured/discharged/migrated and 57 deaths, according to the Ministry of Health and Family Welfare. 

Newsroom, June 5: The union health ministry has announced new rules for shopping malls which have been permitted to open from June 8, except those falling in containment zones.

The guidelines will come into effect from Monday and cinema halls, gaming arcades and children play areas in these establishments will remain closed.

Here is the complete list of standard operating procedures issued by the ministry to be followed in shopping malls to contain the spread of COVID-19.

•   Thermal screening of all visitors mandatory at entry point, along with compulsory hand hygiene. Only asymptomatic visitors will be allowed to enter the shopping mall .

•  It will be mandatory for all visitors as well as workers to wear face masks at all times inside the mall. 

•  Posters and audio-visual media on preventive measures about COVID-19 should be displayed prominently.

•  Visitor entry to shopping malls should be allowed in a staggered manner and adequate manpower be deployed by mall management for ensuring social distancing norms.

•  All employees who are at higher risk like elderly, pregnant women and those having underlying medical conditions should take extra precautions. They should preferably not be exposed to any front-line work requiring direct contact with the public.

•   Proper crowd management in the parking lots and outside the premises – duly following social distancing norms shall be ensured. Preferably, separate entry and exits for visitors, workers and goods/supplies shall be organised.

•   The staff for home deliveries should be screened thermally by the shopping mall authorities prior to allowing home deliveries and required precautions while handling supplies, inventories and goods in the shopping mall must be ensured.

•   Physical distancing of a minimum of 6 feet, when queuing up for entry and inside the shopping mall should be maintained as far as feasible while the number of customers inside the shop should be kept at a minimum, so as to maintain the physical distancing norms.

•   The number of people in the elevators should be restricted and use of escalators with one person on alternate steps should be encouraged.

•   Number of people in the elevators shall be restricted, duly maintaining social distancing norms. Use of escalators with one person on alternate steps may be encouraged.

•   Effective and frequent sanitation within the premises shall be maintained with particular focus on lavatories, drinking and hand washing stations/areas

•   Cleaning and regular disinfection of frequently touched surfaces  to be made mandatory in all malls in common areas as well as inside shops, elevators, escalators etc.

•   In the food-courts, adequate crowd and queue management is to be ensured and not more than 50 per cent of seating capacity should be permitted.

•   Food court staff should wear mask and hand gloves and take other required precautionary measures, the seating arrangement should ensure adequate social distancing between patrons as far as feasible and tables should be sanitized each time a customer leaves.

•   Gaming arcades, children play areas and cinema halls inside shopping malls shall remain closed.

•   Spitting should be strictly prohibited and installation and use of Aarogya Setu App shall be advised to all.

•   The ministry advised persons aged above 65, those having comorbidities, pregnant women and children below the age of 10  to stay at home, except for essential and health purposes.