Thursday 17 November 2022

Seasons of Massive Layoff Silicon Valley

Is this a Seasons of Massive Layoff   Silicon Valley is not happy with the performance of many employees.


Seasons of Layoff!


#Apple

#Amazon

#Alphabet

#Dell

#Genpact

#Google

IBM

#Meta

MicroSoft

#Twitter


It seems that Google’s CEO Sundar Pichai is not happy with the performance of many employees.


The executive held a meeting and warned its employees to work efficiently and focus more on how to better improve their products and help customers.


Pichai believes that productivity is missing and it is not where it should be considering the number of people Google has. This basically suggests that the CEO feels that Google has too many employees, but not a lot of them work efficiently and are focused.


Read: 


It’s the season of layoffs. The world is stunned to see big techs such as Meta and Twitter sacking employees, but the Indian startup world too has had its share of bad news. Add to this the absolutely low level of empathy shown by the companies while handling such situations. Take the case of a recent sacking by one of the leading edtech players in India. The staff alleged that the company resorted to unethical means forcing them to sign pre-drafted resignation letters. As if this was not enough, the company also hired bouncers to handle any untoward situation as workers were suddenly asked to leave.


A Better, Fairer Approach to Layoffs 


Layoffs can cause employees to feel they've lost control: The fate of their peers sends a message that hard work and good performance do not guarantee 


It's the season of layoffs in Silicon Valley  


It's the season of layoffs in Silicon Valley: 

 Facebook parent Meta Platforms Inc is the latest ...


You're fired! Layoff crisis getting out of control at unicorns in

It's the season of layoffs. The world is stunned to see ... 

The sacking of employees has happened in multiple tranches throughout the year.



What a Layoff Means, Plus Statistics and an Example


A layoff occurs when an employer suspends or terminates a worker, either temporarily or permanently, for business rather than performance reasons.


13 Reasons for Layoffs Within an Organization 


Career development


Layoff / Laid off and Retrenchment- Definitions - Rule Position


Layoff of employees does not mean that they are terminated from the job, such employees could be reinstated after revivifying of deficit or shortages which ...


So you have experienced people who are making a lot of money because they have gotten ... 

Employer is not happy with their current performance/attitude, ...


Companies can (and do) layoff (key) people for various reasons: 1. To allay investor / shareholder ...


Why do companies do mass layoffs?


Now, Electrolux cuts 4000 jobs worldwide amid heavy losses


Layoff season: Now, Electrolux cuts 4,000 jobs worldwide amid heavy losses. The company reported heavy losses, especially in North America


Genuine empathy need of the hour as layoff season arrives

Fuelled by VC money, most founders are guilty of hiring aggressively by unabashedly embracing the 


“Go Big or Go Home” philosophy. 


Meta Lays Off 11,000 Employees While Redfin Cuts 


https://aerosoftin.blogspot.com/2022/11/seasons-of-massive-layoff.html

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Wednesday 6 April 2022

Difference Between Conduction, Convection, and Radiation

 Difference Between Conduction, Convection, and Radiation (With Table)

https://crazy-guru.anxietyattak.com/2022/04/difference-between-conduction.html

The transmission of energy between things of various temperatures is known as heat. The average kinetic energy of the particles in an object is measured by temperature. Kinetic energy is the energy stored in motion. The energy of motion is known as kinetic energy. The energy of motion increases as the temperature rises. 


Conduction, convection, and radiation are the three methods through which heat can be transmitted. In this article, we have distinguished all three forms of heat transfer.

Conduction vs Convection vs Radiation

The main difference between conduction, convection, and radiation is determined by the medium. Conduction is the transmission of heat across objects via direct touch, whereas convection is the transmission of heat across items via the flow of a medium like air or water. Heat is delivered through radiation without any physical contact between objects.


Example of conduction: When we make tea, heat from the stove is transferred to the steel pan due to direct contact, resulting in conduction. Heat energy is transmitted from ironed clothing when they are ironed.


Example of convection: When we heat a pot of water, the water particles at the surface heat up first; we know that heat causes particles to travel faster, therefore these particles move randomly and a relatively empty space is formed. Particles from far locations migrate here to fill the space. Again, these particles require heat energy and go away, and the process repeats itself, resulting in hot water from cold water.


Example of radiation: When boiling water on the stove, heat conducts from the stove to the pot because it is directly in contact. All water particles gain heat as a result of convection. You will feel hot if you raise your hand closer to the pot's side; this is caused by the pot's radiation.

Comparison Table Between Conduction, Convection and Radiation


Parameters of Comparison

Conduction

Convection

Radiation

Medium

Conduction of heat requires the presence of a medium.

For heat transfer by convection, a medium is required.

The use of a medium is not required for radiant heat transmission.

Vacuum

In a vacuum, conduction is not possible.

In a vacuum, convection is not possible.

In a vacuum, radiation can happen.

Effects on medium

The medium particles do not deviate from their average location. They dissipate heat by vibrating around their centre of gravity.

The medium particles leave their average position and migrate upward, transporting heat from the source.

The medium is unaffected in any way.

Direction of heat

Heat can be transferred in any direction.

The only way for heat to be transferred is vertically upward.

Heat is transferred in all directions in a straight line.

Time taken

The process is slow.

The process is faster than conduction.

The process is the fastest and the transfer of heat takes place with the speed of light.


What is Conduction?

The process of heat transfer in which heat is transmitted from one portion of the body at a higher temperature to another area of the body at a lower temperature without the molecules moving from one place to another is known as conduction.


Conduction occurs most commonly in solids as a result of temperature differences. It happens as a result of free electron energy transfer and molecular lattice vibrational energy transmission.


Free electrons are responsible for 70% of heat transfer, whereas vibration is responsible for the remaining 30%.


When one end of a metal rod is heated, the other end eventually becomes heated as well.

What is Convection?

Convection unlike conduction occurs in liquids and gases. It is the transfer of heat through the movement of particles. Warm particles rise, cool particles fill in space below, so this is a circular motion.  


Natural, forced, gravitational, granular, or thermomagnetic convection are all possible classifications.


When we heat a pot of water, the water particles at the surface heat up first; we know that heat causes particles to travel faster, therefore these particles move randomly and a relatively empty space is formed. Particles from far locations migrate here to fill the space. Again, these particles require heat energy and go away, and the process repeats itself, resulting in hot water from cold water.

What is Radiation?

Heat energy can also be transported without the use of particles, allowing it to pass across a vacuum. This occurs when energy is delivered through radiation, specifically infrared wavelengths.


All objects are capable of both absorbing and emitting radiation at the same time. The hotter something is, the more radiation it emits.


This is why putting your hand over a grill, even if you aren't touching it, feels hot. Infrared radiation is emitted by the extremely hot metal and coal, which is absorbed by your hand. When we look at infrared radiation in the context of the electromagnetic spectrum, we can see how it is.

Main Differences Between Conduction, Convection and Radiation

  1. The presence of a medium is required for heat conduction and convection. Radiative heat transfer, on the other hand, does not require the usage of a medium.

  2. Conduction and convection are impossible in a vacuum, but radiation is feasible.

  3. In conduction, heat can be moved in any direction, whereas in convection, heat can only be transferred vertically upward. Radiation is a method of transferring heat in a straight line in all directions.

  4. Conduction is a slow process, whereas convection is quicker than conduction, and the process is the quickest, with heat transfer occurring at the speed of light in case of radiation.

  5. Conduction requires heated solids, while convection necessitates the use of fluids, and radiation necessitates the use of electromagnetic waves as a medium.

Conclusion

Heat is carried via conduction from a hot item or region to a cold object or area, whereas heat is transported by convection through the flow of fluid currents, and heat is transported sans any medium by radiation.


In thermodynamics, the modes of heat transmission, such as conduction, convection, and radiation, are important topics.