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The Kinsey Scale Test and 3 other ways to find where you fall on the sexuality spectrum
First Martian rock samples from Perseverance edge closer to settling water question
This high-tech gunsight could allow soldiers to shoot around corners, Matrix-style
Featured in july 2011
The Last Drops: How to Bridge the Gap Between Oil and Green Energy
Oil won't run the world forever, but it will for the next few decades--so how do we get from here to the next energy economy?
Ferrari Engineers Create an All-Weather, All-Wheel-Drive Supercar
The mere existence of a 208mph Ferrari wagon confounds expectations. But the $300,000 Ferrari FF also upends the conventional approach … Continued
Tinkerer Emulates Iron Man With Real-Life, Palm-Mounted Laser Weapon
On a rainy weekend last year, Patrick Priebe, a German lab technician and Iron Man fanatic who rewatches the film … Continued
FYI: What is the Hottest Pepper in the World?
Or, which pepper will make the most hilarious YouTube video when you film yourself eating it?
Building a Rodent-Sized, Wearable Brain-Imaging Device
I’m an instrument builder, mostly, and I work on positron-emission-tomography devices: PET. Doctors use them to look for cancer, but … Continued
Inside the World’s Largest Fusion Reactor
Hot fusion might be the answer to energy demands
Are We Prepared for a Catastrophic Solar Storm?
A solar disaster isn't a question of if, but when--and it looks like soon
Spiders Fleeing Pakistan’s Floodwater Take to the Trees
Giant webs give the landscape an eerie feel
How to Build a Sweet-Sounding Tube-Amp iPod Dock
Half a century ago, vacuum tubes were very common in audio amplifiers. A small voltage applied to the grid of … Continued
Want a Space Suit? You Just Might Find One at an Auction
Going once, going twice, sold! to the space enthusiast in the second row
