Collin Williams (front) and Sarah Putnam of Nevada, protesters affiliated with the Occupy Las Vegas movement, participate in a “zombie walk” on the Las Vegas Strip October 30, 2011 in Las Vegas, Nevada. The demonstrators are protesting what they believe is greed and corruption among banking and business leaders in solidarity with other Occupy movements around the world. (Photo by Ethan Miller/Getty Images)

“Life-size humanoid robot BERTI (Bristol EluMotion Robotic Torso number 1 or RT-1) is a self contained, fully automated Robotic Torso, designed and built by Elumotion to provide a robotic platform based on human anatomy. RT-1 is a highly articulated manipulating platform and includes novel dexterous hands that allow emulation of human gesturing”. – Elumotion.com

Photo: BERTI the robot interacts with a Sony AIBO robot dog at The Science Museum's Antenna Gallery on February 17, 2009 in London. (Photo by Peter Macdiarmid/Getty Images)

A sewer cleaner of Dhaka City Corporation cleaning out the city's sewers on May 03, 2017 in Dhaka, Bangladesh. Despite a rise in the number of deaths of manhole workers every year, workers regularly go into the manholes without any protective gear. (Photo by Zakir Chowdhury/Barcroft Images)

Macaque monkeys sit on a car in Hua Hin on May 29, 2020, as low tourist numbers due to the ongoing COVID-19 novel coronavirus situation have resulted in a decrease in the number of people feeding them. The monkeys in the town are going hungry as a consequence of the drop in tourism as a result of the COVID-19 coronavirus pandemic. (Photo by Jack Taylor/AFP Photo)

In this photo illustration a young girl licks a lollipop in which a scorpion is suspended on May 7, 2014 in Berlin, Germany. An increasing numbers of advocates worldwide are promoting insects as a viable source of food for humans, citing the high protein value, abundance and low cost. (Photo Illustration by Sean Gallup/Getty Images)

Devotees wearing protective masks pray at a temple in Bangkok, Thailand, 19 June 2020. Thailand opened most businesses to enter the fourth phase of easing coronavirus restrictions after the number of coronavirus cases remains low. (Photo by Diego Azubel/EPA/EFE/Rex Features/Shutterstock)

“The Dream Chaser is a planned crewed suborbital and orbital vertical-takeoff, horizontal-landing (VTHL) lifting-body spaceplane being developed by SpaceDev, a wholly owned subsidiary of Sierra Nevada Corporation (SNC). The Dream Chaser design is planned to carry seven people to and from low earth orbit. The vehicle would launch vertically on an Atlas V and land horizontally on conventional runways”. – Wikipedia

Photo: NASA Deputy Administrator Lori Garver talks during a press conference with Sierra Nevada's Dream Chaser spacecraft in the background at the University of Colorado at Boulder on February 5, 2011 in Boulder, Colorado. Sierra Nevada's Dream Chaser spacecraft is under development with support from NASA's Commercial Crew Development Program to provide crew transportation to and from low Earth orbit. NASA is helping private companies develop innovative technologies to ensure that the U.S. remains competitive in future space endeavors. (Photo by Bill Ingalls/NASA via Getty Images)