Using E-mail, I Can Communicate With Scientists

Time Travel May Be Possible, But It Is Not Practical.

So Great A Contribution To Physics Was Two New Sciences That Scholars Have Long Maintained That The Book Anticipated Isaac Newton's Laws Of Motion.

[question: What Do You Think Was The Most Important Physics Idea To Emerge This Year?] We Won't Know For A Few Years.

I Am Discounting The Reports Of Ufos. Why Would They Appear Only To Cranks And Weirdos?

Keeping An Active Mind Has Been Vital To My Survival, As Has Been Maintaining A Sense Of Humor.