Wireless Electricity


(Image Courtesy SemiWiki.com)

We moved to Canada in 2004 and the house we purchased had telephone cables and co-axial TV cables running to all rooms.  We then used a dial-up modem connected to the telephone cable for accessing the Internet.  Any room which needed a telephone had an stand-alone machine.

With the availability of cheaper digital cordless telephone with four remotely connected handsets and also with multiple facilities like answering machine, call display, etc, the first set of cables to be decommissioned were the two-wire telephone cable that connected every room of the house.  We still had the coaxial TV cable running to all rooms.  Now the telephone handsets started communicating wirelessly and the handsets could be moved with its battery charger to any room as required.

With the introduction of cable modem, router, and Voice Over Internet Protocol (VOIP) telephone system few years later, the two-wire cable was terminated outside the house.  We had to now run Cat 5 cable all through the house where ever a computer was to be connected to Internet.  In an year in came a new Wi-Fi router and out went the Cat 5 cables.

Introduction of revolutionary Universal Serial Bus (USB) to connect anything and everything to a computer or a computer like device overhauled the cabling system of modern gadgets.  Most cellphones and electronic devices started using USB charging.  Most electrical outlets in hotels, airplanes, trains and buses came with USB ports built in to facilitate charging without an adapter.  Home improvement stores started selling electrical outlets with USB connectors.  Thus most of the electrical outlets at our home took a new avatar with USB port.

Introduction of Light Emitting Diode (LED) in home lighting, TV, computer monitors, displays on most home appliances has in effect reduced electricity consumption.  Now most devices at home (except appliances like fridge, dishwasher, laundry systems, oven, cooking range, microwave oven, etc) use 12 Volt Direct Current (DC) as power source.  Major weight and space consuming element of an LED bulb is the rectifier circuit which converts high voltage Alternating Current (AC) to 12 Volt DC.

With these 12 Volt DC appliances, mostly using USB to connect to power source, isn’t it time that we wire our home with 12 Volt DC cabling with USB ports?

At the end of the nineteenth century, ‘War of Currents’ between the American entrepreneurs Thomas Alva Edison and George Westinghouse resulted in AC being used in homes due to much reduced  costs and transmission losses in comparison to DC transmission which required booster stations every 10 km.  Nikola Tesla, then working with Edison, was in favour of AC and he disagreed with Edison about the use of DC current. Tesla resigned working for Edison and joined  Westinghouse.

Our sun transmits energy as radiation through air without any wire. If we can build solar cell that can give near 100%  or even 70% efficiency, it will usher in wireless power transmission.

Tesla dreamt of a global wireless power grid that any home, business, or vehicle could tap into.  In 1934 the above drawing of a large transmitter appeared in an article on wireless power transmission. The caption read, “Nikola Tesla, electrical wizard, foresees the day when airplanes will be operated by radio-transmitted power supplied by ground stations.”  The closest he ever came to realising his dream of wireless transmission was the Tesla coil, which he created in 1891.

Researchers at Stanford University have developed a wireless charging technology capable of transmitting electricity wirelessly to a moving object nearby. If the technology is upscaled, it may allow electric cars to recharge while in motion.  It is nowhere near Tesla’s dream of airplanes flying on electricity.


(Image Courtesy Sid Assawaworrarit/Stanford University)

As the team described in their recently published Nature Study, the transmission achieved was much smaller than would be needed to power vehicles. However, they did reach a kind of mid-range wireless power transfer based on magnetic resonance coupling. Electricity passing through wires creates an oscillating magnetic field, and it’s this field that causes a nearby coil’s electrons to oscillate. This in turn transmits power wirelessly. However, it’s a complex process and is only efficient when the oscillating coils are tuned with respect to the moving object.

Until now, this has been one of the primary problems for wireless energy transmission, because there hasn’t been a way to get the coils to automatically tune to moving objects. The researchers solved this problem by using a feedback resistor and voltage amplifier system to detect where it should be tuned to without help from humans.

This research is part of an overall push toward safer, clean energy highways with more manageable traffic that will eventually support self-driving cars.  If this dream fructifies,  you’ll be able to charge your electric car while driving on the highway. A coil in the bottom of the vehicle could receive electricity from a series of coils connected to an electric current embedded in the road.

With coils embedded in the roads, we could eventually enjoy a totally automated highway system. Self-driving electric vehicles could be wirelessly charged en route, and GPS and other navigation systems would also be powered wirelessly.

Stanford research team will pave way towards achieving Tesla’s dream of wireless electricity in near future.  In case they succeed in their mission, soon we will be using transmitted electricity to power our low powered DC appliances like home lighting, TV, computer monitors, etc.  This will allow lot of flexibility and reduce electrification cost.  LED lights will become much cheaper as they would have done away with the rectifier circuit.

Dreams pass into the reality of action. From the actions stems the dream again; and this interdependence produces the highest form of living.”   Anais Nin, French-American diarist, essayist and  novelist.

Are You Prepared to Meet an Emergency for 72 Hours?

Introduction

State of Kerala, India, was battered by the rains, causing havoc, displacing humans, and above all causing irreparable damage to the environment.  Having been involved with rescue missions in such natural disaster while serving with the Indian Army for over two decades and also with the experience gained in Canada for the past 15 years, I thought it appropriate to work out a survival plan for all.  If you are adequately prepared to face a range of emergencies, anytime, anywhere; you have a great chance of survival, God and nature willing.

Aim

The aim of this paper is to lay down a few steps that will help you take care of yourself and your loved ones during an emergency.

Know Where You Live

A country like India, where the terrain, climate, culture and social conditions differ drastically every square kilometer, knowing the risks in your region can help you better prepare.  It may be heavy rains and floods in Kerala; ; in the East; water logging in Mumbai, blizzards and avalanches in J&K and Sikkim; tsunamis and cyclones in coastal regions; earthquakes in the Himalayan regions – the list is endless.  Along with natural disasters, there are other types of risks, such as long power outages and industrial or transportation accidents, etc.   It could even be spread of a life threatening epidemic raging like the Nipah Virus epidemic which Kerala recently witnessed.

Plan for an Emergency

Every household needs an emergency plan to suit their location and area.  It will surely help you and your family know what to do in case of an emergency. It is surely worth the effort.   The plan once made must be discussed with every family member and clear instructions as what each member is expected to execute must be clearly defined.

Keep this document in an easy-to-find, easy-to-remember place (with your emergency kit).  Photocopy this plan and keep it in your car and/or at work, and a copy close to your phone.  If you completed your plan online, keep an electronic version on your computer and also store it in a cloud and must also be saved on everyone’s cell-phones.

Love Thy Neighbours

Please take your neighbours also into consideration while working out your emergency plan – they are always your first responders in case of any emergency and you are also expected to reciprocate.

Neighbourhood Safety Plan

Work with your neighbours or the Resident Welfare Associations (RWA)  to identify people who may need extra help during an emergency.  Like in the Army, you may also assign ‘buddies’.  Assets like doctors and health professionals, military veterans, retired police and administrative officials, and above all the youth group – they are all assets of your neighbourhood.  Ensure that you include them in your neighbourhood plan and allocate duties and responsibilities to them.

Revisiting the Plan

Please revisit your plan and also your neighbourhood plan at least once a year.  That should be the time you must restock your kit(, change the batteries, food and bottled water.  Any breaks like Onam holidays, Pooja holidays or any weekend is the most suitable time when most members are available.  Write yourself a reminder to update your emergency plan one year from now.

Household Plan

  • Emergency Exits. Draw up a floor plan of your home that shows all possible exits from each room.  Plan a main exit route and an alternate exit route from each room.  If you live in an apartment, plan to use the stairs instead of the elevators.  Identify an evacuation route from your neighbourhood in case you need to leave in a hurry and always plan for more than one option.
  • Meeting PlacesRandevu (RV). Identify safe places where everyone should meet if you cannot go home or you need to evacuate. Specify a meeting place near home or outside immediate neighbourhood.

Make Copies of Important Documents.

Make copies of birth and marriage certificates, passports, licences, wills, land deeds and insurance. Take photos of family members in case a lost persons record is created. Keep them in a safe place, both inside and outside your home. You might want to put them in a safety deposit box or give them to friends and family who live out of town.

Workplace

Learn about the emergency evacuation plans in place and what you will need to do. You may want to have some basic supplies at work, such as water and food that do not  spoil, in case you need to stay put for a while.   Check  with your employer about workplace emergency plans, including fire alarms, emergency exits, meeting points, and designated safety personnel or floor wardens.

Children

Ask your children’s school or daycare about their emergency policies. Find out how they will contact families during an emergency.  Find out what type of authorisation the school or daycare requires to release your children to a designated person if you can’t pick them up.   Make sure the school or daycare has updated contact information for parents, caregivers and designated persons.

Plan for pets

In case of an evacuation, remember that pets are not allowed in some public shelters or hotels. In case of an evacuation, prepare to take your pets with you to the home of a relative or friend, or take steps to identify pet-friendly hotels or pet boarding facilities in your area and further away from home.

Special Health Needs

  • Support Network. Establish a personal support network of friends, relatives, health-care providers, co-workers and neighbours who understand your special needs and also of your family members’.
  • Prepare a Health List. Make a list of all your health/ medical needs.  Keep a copy of this information in your emergency kit, and give a copy to your personal support network.   The list must include:-
    • Accommodation needs
    • Insurance information
    • Allergies
    • Medical conditions
    • Emergency contacts
    • Medication
    • Family medical history
    • Recent vaccinations
    • Health screenings
    • Surgeries
  • Grab&Go Medical Bag. Talk to your doctor about preparing a grab-and-go bag, if possible, with a two-week supply of medication and medical supplies. Include prescriptions and medical documents. Remember that pharmacies may be closed for some time, even after an emergency is over.

Out-of-Town Contact

Choose an out-of-town contact who lives far enough away that he or she is unlikely to be affected by the same event. If you have recently moved to a new area, make arrangements through friends, cultural associations or community organisations.  Arrange for each family member to call, e-mail or text the same out-of-town contact person in case of an emergency.

Home Safety

  • Make sure you have a working carbon monoxide detector, smoke alarm, fire extinguisher and well-stocked first aid kit. If you live in an apartment, or if you are staying in a hotel, know where the fire alarms and at least two emergency exits are located.
  • Make sure you have a fire extinguisher on every level of your home, including one in your kitchen. Everyone in your home should know where to find the fire extinguishers. All capable adults and older children should know how to use it. See manufacturer’s instructions regarding the lifetime of your fire extinguisher.
  • Older children and adults should know how to turn off your home’s water, electricity and gas. Make large, easy-to-see signs for water and gas shut-offs as well as for the electrical panel.
  • Teach children how and when to dial emergency numbers as well as how to call the designated out-of-town contact.
  • Limit phone calls to urgent messages only. Keep calls short to free up the lines for others.
  • When notifying emergency services of your location, provide the exact street or civic address and nearest intersection.

When an Emergency Strikes

  • Follow your emergency plan.
  • Get your emergency kit.
  • Make sure you are safe before assisting others.
  • Listen to the radio or television for information from authorities. Local officials may advise you to stay where you are. Follow their instructions.
  • Stay put until all is safe or until you are ordered to evacuate.

Evacuation Orders

  • Authorities will not ask you to leave your home unless they have reason to believe that you may be in danger.
  • If you are ordered to evacuate, take your emergency kit, your wallet, personal identification for each family member and copies of essential family documents with you. Bring a cellular phone and spare battery or a power bank or charger with you, if you have one. Use travel routes specified by local authorities.
  • If you have time, call or e-mail your out-of-town contact. Tell them where you are going and when you expect to arrive. Once you are safe, let them know. Tell them if any family members have become separated.
  • If possible, leave a note telling others when you left and where you are. Shut off water and electricity if officials tell you to do so.
  • Take pets with you.
  • Lock your home.
  • If you go to an evacuation centre, register your personal information at the registration desk. Do not return home until authorities advise that it is safe to do so.

Preparing an Emergency Kit

  • In an emergency, you will need some basic supplies. You may need to get by without power or tap water. Be prepared to be self-sufficient for at least 72 hours.
  • You may have some of the items already, such as food, water and a battery-operated or crank flashlight. The key is to make sure they are organised and easy to find.
  • Make sure your kit is easy to carry and everyone in the household knows where it is.
  • Keep it in a backpack, duffle bag or suitcase with wheels, in an easy-to-reach, accessible place, such as your front-hall closet.
  • If you have many people in your household, your emergency kit could get heavy. It’s a good idea to separate some of these supplies in backpacks. That way, your kit will be more portable and each person can personalise his or her own grab-and-go emergency kit.

Basic Emergency Kit

  • Water – at least two litres of water per person per day; include small bottles that can be carried easily in case of an evacuation order
  • Food that won’t spoil, such as canned food, energy bars and dried foods (replace food and water once a year)
  • Manual can-opener
  • Crank or battery-powered flashlight (and extra batteries). Replace batteries once a year.
  • Crank, battery-powered radio (and extra batteries).
  • Granb&Go medical bag.
  • First aid kit
  • Extra keys to your car and house
  • Some cash in smaller currencies. Automated bank machines and their networks may not work during an emergency. You may have difficulty using debit or credit cards.
  • A copy of your emergency plan and contact information
  • Recommended additional items
    • Two additional litres of water per person per day for cooking and cleaning
    • Candles and matches or lighter
    • Change of clothing and footwear for each household member
    • Sleeping bag or warm blanket for each household member
    • Toiletries
    • Utensils
    • Garbage bags
    • Water purifying tablets
    • Basic tools (hammer, pliers, wrench, screwdrivers, work gloves, dust mask, pocket knife)
    • A whistle (to draw prompt attention)
    • If you think your water is contaminated, check with your municipality or local authorities for details. When in doubt, do not drink water you suspect may be contaminated.

Emergency Vehicle Kit

Prepare a small kit and keep it in your vehicle to include:

  • Blanket
  • Candle in a deep can and matches
  • Extra clothing and shoes
  • First aid kit with seat-belt cutter
  • Flashlight (crank or battery-powered). Replace batteries once a year.
  • Food that won’t spoil (such as energy bars)
  • List of contact numbers
  • Radio (crank or battery-powered). Replace batteries once a year.
  • Small shovel
  • Warning light or road flares
  • Water
  • Whistle

Conclusion

An emergency may occur at any time and human being over centuries have faced many such ones.  In case you are adequately prepared, you are in a better position to face it and also help others to go through the ordeal.  Always remember “Preparedness is the calm before, during and after any storm.”

(Based on Government of Canada Emergency Preparedness Guide)

Rose Garden 2018

For centuries, roses have inspired love and brought beauty to those who have received them. In fact, the rose’s rich heritage dates back thousands of years.  People have been passionate about roses since the beginning of time.  We have over fifty bushes in our garden.


Jawaharlal Nehru, the first Prime Minister of India,  was fond of Red rose. He always wore a Red rose on his jacket until his last breath.


It is said that the floors of Cleopatra’s palace were carpeted with delicate rose petals.  Shakespeare refers to roses more than 50 times throughout his writings. It is also New York’s state flower.


1,000 years old. That’s the age the world’s oldest living rose is thought to be. Today it continues to flourish on the wall of the Hildesheim Cathedral of Germany.


It was in seventeenth century that French explorer Samuel deChamplain brought the first cultivated roses to North America.  Roses are truly ageless. Recently, archaeologists discovered the fossilized remains of wild roses over 40 million years old.


The people of ancient Greece used roses on festive occasions to adorn themselves with garlands of roses, and splash themselves with rose-scented oil.  Napoleon’s wife Josephine so adored roses, she grew more than 250 varieties


The largest rose bloom ever bred was a pink rose measuring approximately 33 inches in diameter, bred by Nikita K. Rulhoksoffski from San Onofre, California.


Red roses are the traditional symbol for love, romance.  It reflects beauty and perfection.  Myth has it that Venus’ son Cupid accidentally shot arrows into the rose garden when a bee stung him, and it was the ‘sting’ of the arrows that caused the roses to grow thorns.  When Venus walked through the garden and pricked her foot on a thorn, it was the droplets of her blood which turned the roses red.


Pink Rose depict gentleness, grace, gladness, joy and sweetness.  It  can also convey happiness, gracefulness and admiration.


Bright, cheerful and joyful are what come to mind when thinking of a yellow rose. Giving yellow roses can tell someone the joy they bring you and the friendship you share.


White roses, the purist of colors, represent innocence, purity and charm. White roses are traditionally used in weddings and can represent new beginnings. We believe that white roses can also express remembrance and innocence.   Why white roses are so special is no mystery – it’s a myth. Perhaps it started with the Romans who believed white roses grew where the tears of Venus fell as she mourned the loss of her beloved Adonis.


Orange roses evoke energy, and enthusiasm, desire and excitement. Giving orange roses can symbolise your passionate romance and share your excitement of the relationship with your loved one.


Love at first sight or just an enchanting way to say, “I love you!” Lavender roses can offer a daily reminder of your love and eagerness to grow your relationship.


Peach-colored rose is gifted when are you grateful for someone or just want to show your appreciation.  It shows appreciation and gratitude or a different way to say “Thank You!”   They symbolise innocence and purity.


Cream roses are indicative of charm and thoughtfulness and goes well with pink ‘thank you’ roses.  Gifting a bunch of cream roses is an ideal way to show someone that you care – but without any romantic intentions.

” How did it happen that their lips came together? How does it happen that birds sing, that snow melts, that the rose unfolds, that the dawn whitens behind the stark shapes of trees on the quivering summit of the hill? A kiss, and all was said.”   Victor Hugo

” What’s in a name? That which we call a rose by any other name would smell as sweet.”  William Shakespeare

Peonies – A Symbol of Honour, Fortune, and a Happy Relationship


Peonies are outrageously beautiful in bloom, with lush foliage. They bloom from late May through  June in Toronto.  The flowers last only two weeks.


Their stems are not strong enough to support the heavy blossoms, hence they need support.  Peony cages are placed in spring around the plant as they grow.


Peony is named after Paeon (also spelled Paean), a student of Asclepius, the Greek god of medicine and healing.  They are also the 12th anniversary flower – because the peony symbolises honour, fortune, and a happy relationship.. It is the state flower of Indiana.


Peonies are native to China. They are highly valued there, and are often referred to as the “king of flowers”. They were the national flower prior to 1929, when they were replaced by the plum tree. Chinese name for the peony is ‘Sho Yu’ meaning “most beautiful”.


Peonies of three types grow in our garden- Tree Peonies, Herbaceous Peonies and Itoh peonies.


Herbaceous peonies (also known as bush peonies) die to the ground in Winter.  They re-emerge in March, or when the snow melts. Many find that they are deer resistant, but not always. Peonies are long lived, minimal care plants.


Tree peonies are called tree peonies for the woody stems that they have. Tree peonies have woody stems that defoliate in the fall, but the woody stems stay intact, above the ground. They tend to bloom earlier and with larger flowers than the bush peony.


Itoh or Intersectional peonies are a cross between the herbaceous (or bush) peony and the tree peony.  These crosses have produced new, exciting colors.  The plants have the lovely leaf form of the tree peonies, but die to the ground in the Winter.  Since they are recent introductions and are still in short supply they command a high price.


Itoh Peonies derive its name from Japanese horticulturist, Dr. Toichi Itoh, who successfully created seven peony hybrids from a tree peony bred with an herbaceous peony.  Dr. Itoh passed away before ever seeing his creations bloom. Years later, American horticulturist, Louis Smirnow bought some of these original Itoh peonies from Dr. Itoh’s widow and continued Itoh’s work.


Peonies like full sun, and though they can manage with half a day, they bloom best in a sunny spot.  They come in every color except for blue. Pink, and white, are the most popular colours.  Peonies can live upto a hundred years.  In ancient times peonies were believed to relieve headaches and help with asthma.

 

Early Spring Tulips 2018


‘April rains bring in May flowers’ is a common saying in Canada. This year, tulips sprouted as the days warmed up in April, but we had two snowfalls thereafter. Many plants either died or did not grow properly, but we still boast of the best Tulip Garden in Town.


Tulips Originated in Persia and Turkey and were brought to Europe in the 16th century.


Cultivated varieties, referred to as ‘Dutch tulips,’ originated in the Netherlands.


They got their common name from the Turkish word for gauze (with which turbans were wrapped) – reflecting the turban-like appearance of a tulip in full bloom.


Yellow tulips symbolises cheerful thoughts.


The brightly colored, upright flowers may be single or double, and vary in shape from simple cups, bowls, and goblets to more complex forms.


Tulips typically bear cup-shaped flowers in almost every shade but true blue. They can be double or single, fringed or twisted, perfumed or non-scented.


Purple symbolises royalty.


The eleventh wedding anniversary flower is also tulip. It conveys forgiveness.
These are different shades of Red Tulips in our garden. Red tulips are most strongly associated with true love.


Tulips are spring flowers and it arrival signals the coming of a new season. Most tulips have six petals, but some can have many more.


Some of the Tulips are still blooming – may be due to the late setting in of spring.


Red tulips are the hue of choice to express that you are deeply in love. The color red evokes passion and romance.


They are gone in two weeks – and that’s the saddest part.

 

Gardening for Fun & Happiness


‘So God created man in his own image, in the image of God he created him,  God blessed them and said to them, Be fruitful and increase in number; fill the earth and subdue it. Rule over the fish in the sea and the birds in the sky and over every living creature that moves on the ground.’  (Genesis 1:27, 28)

God gave man the right to rule over everything on earth.  It must not translate into exploitation of nature, but being fruitful.  It is all about the power of creativity that God blessed us humans with.  It exhorts all humans to be part of creation and one of the best way to execute God’s command would be to tend to your garden.  It may be a few indoor pots, a small home-garden or your farm.

May 03 is Garden Meditation Day. This is a day to take some time out for yourself to relax and meditate or the least, visit a garden if you do not own one.  It is the time to get on to hands-on work, like digging in the garden, planting seeds, pruning plants and so on.  It can actually be a form of meditating.

Research has proved that that when we become involved in physical activities that involve creativity, planning, problem-solving, physical labour, it reduces stress, anxiety, and depression.  It can also be a good exercise for weight-loss.  The act of tending to your garden, planting saplings, de-weeding, will always make you feel better and also give you the power to be part of creation and being close to mother nature.

A mere look at your garden or plants can generate a lot of emotional changes which will surely have a positive effect on your blood pressure, heart activity, muscle tension, and neural activity.  It will surely calm your nerves, soothe your emotions and provide lot of happiness.

Today, we have literally taken the God’s word of ‘ruling over the earth.’  Gardening is the best way to ‘go green’ and support mother nature.  A well kept garden, why even a few indoor plants will surely impact the quality of air at your home.  It helps keep the house warm in winters and cool in summers, thus reducing carbon imprint and also save a few bucks.

A vegetable garden in your backyard will provide you with fresh and good quality vegetables.  In case you resort to organic farming – without use of artificial fertilisers and pesticides – you will have a regular bountiful harvest of organic vegetables.

One summer morning, as I was tending to the roses in the garden, an octogenarian stopped his car and came out to compliment me on the excellent garden.  He said “your work has improved the property value of your home by a hundred thousand dollars and your neighbour’s by at least fifty thousand.  I retired from being a real-estate agent for over forty years and this I can vouch for from my experience.”  A garden or a landscaping is an investment for the future.  A well manicured lawn, well kept flowerbeds, well pruned trees – all add ‘curb-appeal’ of your home.  It is a sure shot recipe to sell your home faster.

Gardening and landscaping is truly becoming an art form. Planning, planting and watching your own garden grow can fill you  with satisfaction and pride. Gardening is truly a life-time hobby. The more you learn the more proficient you get and the possibilities become endless.  It is all about taking the first step, getting your hands dirty and your shoes soiled.  As time pass by, you will surely enjoy it – especially post-retirement.

So what’s stopping you from starting your own garden and landscape design or even get some indoor plants?