By Richard Brill on August 4, 2017 • Updated on August 3, 2017 at 7:42 pm
By Richard Brill Posted on August 4, 2017 • Updated on August 3, 2017 at 7:42 pm
In Einstein’s theory of general relativity, gravity is not a force as it was in Newton’s description. In Newton’s view, gravity was due to the attraction of two masses according to the size of the masses and the distance between them.
By Richard Brill on June 16, 2017 • Updated on June 15, 2017 at 7:27 pm
By Richard Brill Posted on June 16, 2017 • Updated on June 15, 2017 at 7:27 pm
To humans, the sense of smell has a direct link to emotions. Who among us has not, at one time or another, had a memory and its associated feelings come rushing at us when catching a whiff of a perfume, theater popcorn or one of thousands of smells that we associate with events from our past?
It is an interesting aspect of the universe and an ironic sense of unity that it requires more energy to see smaller objects. This is the result of the properties of waves in general and specifically the nature of electromagnetic waves.
Charging a cellphone on an induction pad seems like magic, and in a way it is. Induction is a feature of electromagnetism that Michael Faraday stated in 1831, now known as Faraday’s law. It is the basis for much of modern electrical and electronic technology.
By Richard Brill on March 3, 2017 • Updated on March 2, 2017 at 10:11 pm
By Richard Brill Posted on March 3, 2017 • Updated on March 2, 2017 at 10:11 pm
The blustery winds over the past month have made us feel as if winter has set in for real. It is Hawaii, and the temperature rarely drops into the 60s, but we have “thin” blood and feel the cold more than our temperate-climate counterparts who might welcome 70 degrees in February as a cause for celebration.
By Richard Brill Posted on October 21, 2016 • Updated on October 27, 2016 at 3:16 pm
The hottest lights on the market today are cool light-emitting diodes, or LEDs. LEDs are made from semiconductors, which differ from conductors in the way their crystal structure holds electrons.
By Richard Brill on October 7, 2016 • Updated on October 27, 2016 at 3:17 pm
By Richard Brill Posted on October 7, 2016 • Updated on October 27, 2016 at 3:17 pm
It’s nearly certain that each of us consumes some fermented food or beverage daily. Bread, cheese, yogurt, beer, cured salami, cocoa and pickled foods such assauerkraut and kim chee are some examples of fermented products.