Telephone
In October 1861 Philipp Reis presented his “telephone” to the members of the physics association in Frankfurt.
In October 1861 Philipp Reis presented his “telephone” to the members of the physics association in Frankfurt.
On his Apollo mission in 1968, astronaut Bill Anders shot one of the most well-known photographs of the Earth—“Earthrise.” It became a symbol for the fragility of the Earth and an icon for the environmental movement that soon followed.
In State of the World 2008: Innovations for a Sustainable Economy, researchers with the Worldwatch Institute and other leading experts highlight an array of economic innovations that offer new opportunities for long-term prosperity.
State of the World 2009: Into a Warming World examines the policy changes needed to combat climate change and explores the economic benefits that could flow from the transition.
The development of specific instruments that aid in the mastery of life has led to the creation of artificial intelligence—soon maybe humans will also be replaceable.
Steam power became the energy source for many machines and vehicles, making it cheaper and easier to produce commodities in large amounts.
A few decades ago, breeding efforts were limited to combining the genetic materials of existing agricultural plants and farm animals. Today, biotechnicians are creating new types of plants and animal species in their labs.
On November 11, 1886, Heinrich Hertz, the pioneer of high-frequency and radio technology, for the first time observed the propagation of an electromagnetic wave with this setup.
The volume of air traffic increased drastically over the past 50 years as a result of globalization and mass tourism and has a significant impact on climate change.
The large-scale testing of the atomic bomb in 1950 has left radioactive elements that could send strong, traceable chemical signals into our atmosphere for millennia.