We Have Learned More About The Brain

Robots May Gradually Attain A Degree Of 'self-awareness' And Consciousness Of Their Own.

Sooner Or Later, We Will Face A Catastrophic Threat From Space. Of All The Possible Threats, Only A Gigantic Asteroid Hit Can Destroy The Entire Planet. If We Prepare Now, We Better Our Odds Of Survival. The Dinosaurs Never Knew What Hit Them.

I Think Newton Would Be The Greatest Scientist Who Ever Lived.

I Don't. We've Had Three Technological Revolutions That Have Changed The Course Of Human History, All Driven By Physics. In The First, The Industrial Revolution, Physicists Developed Newtonian Mechanics And Thermodynamics, Which Gave Us The Steam Engine And Machine Power. The Second Technological Revolution Was The Electricity Revolution. That Gave Us Radio, Television, And Telecommunications. Then, Physicists Developed The Laser And The Transistor.

Science Fiction Without The Science Just Becomes, You Know, Sword And Sorcery, Basically Stories About Heroism And Not Much More.