An LED, which stands for light-emitting diode, is a semiconductor diode that glows when a voltage is applied. Devices with LEDS are everywhere in our house: televisions, mobile phones, solar flood lights, torchlights, inhouse lighting, street lightings, and cars day- indicator lights. . Many companies are producing LED lights, and there are ample choices to buy indoor […]
Aspirin is an effective and inexpensive medicine that millions take daily to prevent heart attacks and strokes. Who could improve on that? The inventor of aspirin In ancient times, salicylate-containing plants such as willow were commonly used to relieve pain and fever. A salicylate is a salt or ester of salicylic acid . Salicylates are […]
In an emerging area of olfactory research, scents are digitally transmitted via computer code that can be sent online or via smartphone app and reproduced at a kiosk or through scent-emitting device. Previous attempts to re-create scents have faced challenges because liquid or gaseous odorants often contaminate each other. The Aroma Shooter, developed by a […]
According to a world-famous chef, the “king of fruit”, known in Malaysia as “durian”, has the most fouling smell. Despite that, many Malaysians and a couple of my former Korean neighbours like it so much. Due to its strong odor, the fruit is not allowed into hotels or planes. The bad odor sticks to the […]
My wife has waited for almost one year for two orchids to produce their vibrant colours.
The rapid Covid-19 vaccination drive in Malaysia has highlighted that there are a big group of Malaysians who have fear of needles being injected into their arms. Many would be recipients of vaccines missed their appointments. Others have high blood pressure before receiving their vaccines. One of these needle-phobics is my wife. Fortunately, she had […]
My youngest cat, Salina Boy, is growing fast. He has become a big bully to the other cats, Baby, Yen, Charlie and Tuya. I manage to capture two poses from Salina Boy.
Every day I use solar flood lights to deter wild monkeys from feasting on my ripe rambutans. Hopefully, the flood lights will also deter unwanted strangers from stealing the ripe rambutans. I recharge the solar flood lights using solar panels. Many are interested to know who invented the solar panels that let us to harvest […]
Crypto currencies, especially bitcoins and ethereum, have been in many people’s minds. The prices of bitcoin has been on fluctuating widely. This phenomenon is logical. The more people want something, the more value you can attach to it. It is supply and demand, which is the oldest rule in thew economics textbook. But when everyone […]
This week I had two close relatives succumbed to Covid in less than 5 days of being tested positive. In Malaysia, this week also witnessed a high infection rate of over 7,000 daily and a death rate of over 100 patients. Other countries, such as Britain, are considering lifting restrictions. In the country, three milestones […]