The Lab With Brad
Latest Episodes
Ep 57: The hunt for planet tomato - The Lab
The hunt for planet tomato - Unlike the method described in the previous episode, the transit method allows one to look at many stars at a time. When a planet crosses between us and the star it’s orbiting, the star’s light dims very slightly.
Ep 56: The stars wibble and wobble as their planets go round - The Lab
The stars wibble and wobble as their planets go round - There are several ways of detecting planets that orbit stars other than our sun. One method, called Doppler spectroscopy, relies on the fact that an orbiting planet causes its star to wobble.
Ep 55: The search for Planet 9 - The Lab
The search for Planet 9 - @AntonyTheReal_ showed me a video recently, in which one of the folks was rather upset with NASA. It bothered him that they were presenting details of a planet orbiting another star, lightyears away, while at the same time,
Ep 54: Irrational computers, investing, and racist robots - The Lab
Irrational computers, investing, and racist robots - It’s easy to assume that computers and computer software, being without emotions, are more rational than we are. However, our software systems are like children of the mind,
Ep 53: Complex analysis, the stock market, and seeing what you expect - The Lab
Complex analysis, the stock market, and seeing what you expect - Two theories about the stock market, the efficient market hypothesis and technical analysis, are each attempting to analyze the same complicated system—namely the stock market and the fl...
Ep 52: More about the dark side - The Lab
More about the dark side - In 1933 Fritz Zwicky was studying the motion of galaxies within the Coma Cluster. He found that the motion could only be explained if there was considerably more mass present than what could be observed. Later,
Ep 51: What is “dark energy,” and is there really such a thing? - The Lab
What is “dark energy,” and is there really such a thing? - In the early 1990s, two separate teams tracked the rate of expansion of the universe by using type Ia supernovas as standard candles, (see episode 41 and episode 42 for details on standard can...
Ep 50: Let’s celebrate, with balloons! - The Lab
Let’s celebrate, with balloons! - The first manned flight of a hot air balloon took place in France in 1783. However, sky lanterns, paper and wood hot air balloons that don’t carry people, have been around in China since as early as 300 BC.
Ep 49: The cyborg Olympics - The Lab
The cyborg Olympics - Special thanks to @seeingwithsound, creators of the vOICe, (see episode 19,) for telling me about this one. - In 2016, competitors came together to strive for the gold. The only thing is, these athletes used their brains,
Ep 48: Hey universe, let’s hear some noise! - The Lab
Hey universe, let’s hear some noise! - What would eventually be called the theory of the big bang was first described by Georges Lemaître in 1927. This early description included predictions later verified in 1929, but it wasn’t until 1964,