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We discuss this week's hot science topics.

Today is September 10th, 2020. The first use of prosthetics goes back to the fifth Egyptian Dynasty that ruled between 2750 to 2625 BC. The earliest known written reference to an artificial limb was made around 500 BC. Thousands of changes in technology changed the artificial limb over time, now researchers have created an artificial skin that is capable of reacting to pain just like human skin.

#artificalskin

According to a leaked FBI bulletin, cops are worried that criminals are using internet-connected smart doorbells, such as Amazon’s Ring doorbells, to spy on law enforcement.

#CriminalsAndDoorbells

For the first time, engineers built optical tweezers capable of grabbing individual bio-molecules and proteins without damaging them — this is a vast improvement to technology.

#LaserTweezers

Amazon Prime Air, the retail giant’s drone delivery project, was just designated an “air carrier” by the Federal Aviation Administration, meaning they can start to test drone package deliveries.

#AmazonDrones

Using carefully-crafted nanomaterials, Tokyo University of Agriculture and Technology scientists were able to bend light in a way no natural material could accomplish. The result? The first hologram movie of the Earth spinning on its axis.

#Hologram

In another breakthrough, a team of French scientists created an anti-gravity levitating fluid that allows a tiny boat to float on the top and bottom of the fluid. it, like flipping gravity on its head.

#Antigravity

Scientists recently found a new victim of climate change and pollution: The blackmouth catshark that had its teeth, skin, and other features dissolved away from swimming in contaminated water.

#PollutionAndSharks