Course Blog

You’ll find student discussion, organized by each week, about course readings for HSTR 207: Science and Technology in World History.

Technology vs Ethics or Technology & Ethics

According to Einstein himself, “masses accelerating towards each other and colliding create waves or ripples in the fabric or space and time” (Cho), define gravitational waves. LIGO, Laser Interferometer Gravitational-Wave Observatory was the first able to detect these waves. This was a huge deal because Einstein’s theory of gravitational waves had never been proven untilContinue reading “Technology vs Ethics or Technology & Ethics”

Living in a science fiction world.

Gravitational waves are the release of energy in the form of gravitational waves that result from the collisions of black holes. LIGO, or the Laser Interferometer Gravitational-Wave Observatory, is the facility used to detect gravitational waves. This research has the ability to enhance communication and limit the ability to interfere with our communication infrastructure. IContinue reading “Living in a science fiction world.”

Who and How?

Gravitational waves are ripples created in the space-time continuum by a collision of black holes. They were first understood by Albert Einstein, and just recently discovered to be definitively real by a series of experiments that have been taking place for decades. LIFO equipment was able to detect these waves, and created a new possibilityContinue reading “Who and How?”

Albert Einstein got it right

In 1915, Albert Einstein published his theory of relativism. Building on his theory, he then predicted the existence of gravitational waves, a year later. According to him, masses accelerating towards each other and colliding create waves or ripples in the fabric or space and time (Cho). In 2015, the Laser Interferometer Gravitational-Wave Observatory (LIGO) detectedContinue reading “Albert Einstein got it right”

Whats the worst that could happen?

“Gravitational waves are…ripples in the fabric of space and time”(Cho). Gravitational waves were only real in theory but one was detected for the first time in 2015 by LIGO(Laser Interferometer Gravitational-Wave Observatory). It was caused by 2 black holes swirling in very close proximity to one another.  LIGO may help advance remote-sensing or communications technologiesContinue reading “Whats the worst that could happen?”

Waves of spacetime

In this week’s reading the topics of gravitational waves, ligo and lansat were discussed. To answer the first question on what gravitational waves are.  They are space time waves that propagate out from two celestial bodies that are rapidly orbiting one another. These waves compress and stretch the space time around them as they travelContinue reading “Waves of spacetime”


For this week we are going to go over gravitational waves and the research by a Nobel prize laureate and their team. Most people might be wondering what exactly are gravitational waves and why should people care. For one gravitational waves are something that we have thirsted for, for a long time and that provideContinue reading “Gravity”

Gravitational Royal Wave

Gravitational waves are a consequence of the physics described in Einstein’s General Theory of Relativity.  Paraphrasing far too simplistically, general relativity suggests that gravity is not a force per se but the distortion of space-time around mass.  Furthermore, these distortions propagate through the universe at the speed of light.  The gravitational waves detected by theContinue reading “Gravitational Royal Wave”

Graviton Waves

Gravitational waves are the result of black holes colliding, they are waves that stretch and contract the edges of the universe. LIGO can sense the contraction of the edge of the universe using lasers and mirrors. This technology can be used to locate things or track things that may or may not be ethical dependingContinue reading “Graviton Waves”


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