Mental Floss

GADGETS

iStock

9 Father's Day Gifts Dads Will Actually Use

Put down the tie and back away slowly.

Alternative Limb Project

Man Receives a Bionic Arm Inspired by a Popular Video Game

This should look familiar to fans of 'Metal Gear Solid.'

Roost

This Fire Alarm Texts You When It Senses Smoke

And if there's a false alarm, you can turn it off by tapping your phone.

Panono via YouTube

This 360-Degree Camera Snaps Photos When You Toss It

The Panono takes 360-degree pictures in midair.

oombrella

This Smart Umbrella Predicts the Weather and Alerts You When You Leave It Behind

Never forget your umbrella again.

Prana

This Device Promises to Help You Break Your Bad Posture Habit

Prana notifies you when you're slouching.

Makey Makey

This Kit Turns Anything That Conducts Electricity Into a Game Controller

Make a game pad out of Play-Doh, bananas, or your own hand.

Deep Optics

These Glasses Track Your Eyes and Self-Focus Automatically

Built-in sensors adjust the liquid-crystal layer in the lenses in less than a second.

Sleep Shepherd Blue via Kickstarter

This Headband Monitors Brain Waves to Help You Sleep at Night

The Sleep Shepherd Blue was created as a drug-free alternative for sleep disorders.

Oral B via Businesswire

This Smart Toothbrush Tracks Its Location In Your Mouth

The Oral-B Genius works together with your smartphone's camera.

Watch This Supercut of Every James Bond Gadget

Take away the toys and James Bond is just a ruggedly handsome man with martial arts skills and a license to kill—in other words, he's basically just like the rest of us.

Lumenus

These Clothes Act as Brake Lights and Turn Signals for Bikers

This wearable tech company is creating safety gear cyclists will want to wear.

Franz Reichelt is now remembered as the "flying tailor."

6 Inventors Killed by Their Own Inventions

From the man who died because of a failed parachute suit to the daredevil who perished in a stunt gone wrong, sometimes brilliance comes with a price.

YouTube

Watch This Gamer Test a Real Life Assassin's Creed Rope Launcher

Don't try this at home.

Arx Pax

Tony Hawk Helped Design a Hoverboard, Just in Time for Back to the Future Day

Marty McFly would approve.

Tempescope via Indiegogo

This Box Can Simulate the Weather Forecast

This tempescope creates rain, clouds and lightning in a space no bigger than a table lamp.

iStock

This Toothbrushing App Was Reprogrammed to Be Less Addictive

The game was so entertaining that parents were having trouble tearing their kids away from it.

ebay

German Designer Builds a Lock for Your Nutella Jar

Thieving hazelnut spread fans beware.

Image via Love Hultén

This Gorgeous Console Combines Arcade Games with Battleship

Go head to head with a friend on this retro-inspired gaming console.

Baubax LLC via Kickstarter

This Travel Jacket Is as Nerdy as It Is Awesome

It's the last jacket you'll ever need to own.

HaHa Bird

8 Calculator Watch Facts to Nerd Out Over

Once upon a time, a calculator watch cost more a year at Harvard.

iStock

4 Future Gadgets That Could Alert You to Spoiled Food

Say goodbye to sniffing sour milk.

iStock

Cell Phones Distract You Even On Vibrate, Study Says

Even if you don’t pick up, your buzzing phone is still detracting from your focus.

Sangjune Park, YouTube

Project Your Emotions Onto Someone Else's Sleeve

Thanks to new clothing line Connected Wear, your partner can wear your heart on their sleeve.