If you are a fan of the book Thinking Physics, you might like this episode of The Action Lab, in which the Action Man tests "the laws of physics to show what happens if you fire a bullet backwards and you are traveling at the same speed forward. Will the bullet just fall to the ground?"
What happens when you shoot a Nerf bullet backward while driving the bullet's speed
Ball bearing ramp challenge: which reaches the bottom first?
If you set ball bearings at the top of each of these two inclined planes, one linear and the other curved, which ball reaches the bottom faster? Are they Galileo's balls, arriving simultaneously because of gravity? Are they Leonardo's balls, with the linear one arriving first because it has less distance to travel? Or are… READ THE REST
Physicist Michio Kaku: "Reaching out to aliens is a terrible idea"
Professor Michio Kaku, author of the new book, The God Equation, was interviewed by The Guardian on his thoughts about string theory ("The universe in some sense is like a chess game and for 2,000 years we've been trying to figure out how the pawns move."), Isaac Newton ( "A person like that comes along once every… READ THE REST
Scientists may have figured out how to make a warp drive work
Scientists Alexey Bobrick and Gianni Martire have submitted a new scientific paper to the peer-reviewed journal Classical and Quantum Gravity, with a proposed plan for a functioning physical warp drive — like the kind of faster-than-light space travel you could otherwise only get in science fiction. As Bobrick explained in a press release: Many people in… READ THE REST
This bladeless fan delivers smooth airflow that's as cool as the fan itself
In your eternal search to cool up your home — both figuratively and literally — a bladeless fan might be a great investment as the summer months start rolling into view. For efficiency, new power-saving bladeless fans help cool a space without being forced to pay the cost of using the air conditioner to chill out… READ THE REST
Learn valuable IT skills for Linux with this 7-course package for just $20
Microsoft has Windows. Apple has Mac OS. Between them, they're the operating systems running 92 percent of the computers in the world. And they were created, developed, owned, and sold as proprietary software by those two companies for use on their particular machines. Linux? Linux is the very definition of a free agent. A versatile,… READ THE REST
This $80 portable instant photo printer will be an instant hit at your next party
Not too many years ago, just about every home had a basic printer for handling a variety of household projects from protecting major documents to printing reports or information from the web. More upscale households even had laser printers or photo quality printers for creating high-end images that were virtually indistinguishable from photographs. That's not… READ THE REST