Inhalable local anesthesia, fingerprint-scanning ATM machines, the BP oil spill and dead-weight sperm. What a week it has been... and what a future it will be. Check out some of our favorite stories this week, and win a free t-shirt.
Here are some of our favorite stories this week:

As always, leave a comment to win this drawing on a shirt. We'll announce our randomly chosen winner next week. Have a good weekend, everyone!
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.


Online Content Director: Suzanne LaBarre | Email
Senior Editor: Paul Adams | Email
Associate Editor: Dan Nosowitz | Email
Assistant Editor: Colin Lecher | Email
Assistant Editor: Rose Pastore | Email
Contributing Writers:
Rebecca Boyle | Email
Kelsey D. Atherton | Email
Francie Diep | Email
Shaunacy Ferro | Email
I love this Shirt~!
I love this Shirt!
I want one.
rhododendron-flavored menger sponges
I really like this one, it has a different feel to it.
reminds me of that episode of TNG where Yar dies...
fingerprint ATMS...hmm what if someone changes their fingerprint or u have an identical twin?
t-shirt looks really cool
ahahahaha i'd like to see the look on people's faces when i wear this around :)
Iwantshirt!
Hello,
M
How are you doing? Hope you are alright.
Last week, I bought Many items.
it is very cheap and I get it in 5 days. The quality is very good.
The site also sell Sneakers, handbag, purse, jeans, sunglass, hat and so on.
I never forget to share good things with friends.
So,if you are interested in it, you can have a look.
I think you will get some surprise.
This is their : www.newgoing.com
Haha.. this shirt looks funny enough for me to wear :)
Please let me win!!!
I want this shirt! And by the way, has anyone ever won a shirt like this?
I will do things for that shirt, that's right, things. I want that shirt.
30bcf4e2
this shit is as awesome as pie!
this man is pregnant with ten spermies!
This shirt is sick, let me win please! I'm working on a base in Iraq and I'll totally pimp it out. ;)
i want to win also, from Philippines hehehe
very nice post
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i love these shirts
I also love this shirt
Baarbarian, you are very talented!
Please give me that shirt!
bp oil leak high,
no needles, good teeth is best
fingers for money
It has been quite the week...
No. Don't listen to these other people. Give me the shirt, nowwww...
BP: killin our fishies, and now sterilizing our youth
All these technologies are a ploy to make money. The t-shirt contest is all a gimmick, no one ever actually wins them. Prove me wrong!
Love PopSci, and I love the article selection, but tell me I'm not the only one who noticed the redundancy of "ATM machine" in the article's introduction.
I won a book once from PopSci, is that proof enough dave816am?
Radical as the magazine
better impposible
Want. Want.
me want!!!!!!!!!!
I want an ATM machine like that.
How now brown cow.
I'm Shirtless!
can my sperm be dead weight too?
I thought the blue tank was GTO's icon, lol!
love how everything was captured in one pic classic, i wana sport pop sci with pride,plus ive never ever won anything before
$o$aLoc$
Hey Cetus93-- you won the shirt! Nice job! We got a little behind on our winners so are catching up now. Let the t-shirt giveaway madness begin!
Cetus93-- I'll email you and get your stats so we can get this shirt to you.