23 Oct 2010

End Of An Era: Sony Stops Manufacturing Cassette Walkmans

The company today announced it will stop manufacturing and selling these
devices in Japan – after 30 years. Sony says the final lot was shipped
to retailers in April this year, and once the last units are sold, there
will be no cassette Walkmans from big S anymore.

MORE...


11 Oct 2010

rare wooden books collection

This  rare wooden books collection, at the beginning, was composed by a hundred pieces handmade maybe in the nineteenth century or, considering the style, maybe before.
 
Most of them were lost or destroyed, so that today collection consists of 56 boxes, modelled like a book, with dimensions of 19 x 12.5 x 3.4 cm, everyone made with the wood of different trees species.



MORE...


6 Oct 2010

Cleaning Pennies with taco sauce


Taco Bell hot sauce is made from the following ingredients:

Water, Tomato Paste, Jalapeno Peppers, Vinegar, Salt, Spices,

Dehydrated Onions, Xanthum Gum, Sodium Benzoate, and Natural Flavor.



Now I think we can rule out water, but somehow, the other ingredients
clean pennies.

Looking at the tiny amounts of Xanthum Gum, Sodium Benzoate, and Natural
Flavor,

I'm going to rule those out too.



That leaves the following things to create the copper cleaning action:

Tomato Paste, Jalapeno Peppers, Vinegar, Salt, Spices, and Dehydrated
Onions

MORE...




5 Oct 2010

USLHE Traveling Library

Lighthouses were often time located in remote areas and as such had no access to city services such as libraries, opera houses, entertainment, etc. that most people enjoyed who lived in a town or city. As light keeping was a lonely profession in most cases supplies were brought to them by lighthouse tender ships. One of the items the tender supplied was a library box on each visit as pictured to the left. Library boxes were filled with books and switched from station to station to supply different reading materials to the families.
MORE...


31 Aug 2010

Digitizing Books One Word at a Time

reCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows. Check out our paper in Science about it (or read more below).


A CAPTCHA is a program that can
tell whether its user is a human or a computer. You've probably seen
them — colorful images with distorted text at the bottom of Web
registration forms. CAPTCHAs are used by many websites to prevent abuse
from "bots," or automated programs usually written to generate spam. No
computer program can read distorted text as well as humans can, so bots
cannot navigate sites protected by CAPTCHAs.

About 200 million CAPTCHAs are solved by humans around the world every
day. In each case, roughly ten seconds of human time are being spent.
Individually, that's not a lot of time, but in aggregate these little
puzzles consume more than 150,000 hours of work each day. What if we
could make positive use of this human effort? reCAPTCHA does exactly
that by channeling the effort spent solving CAPTCHAs online into
"reading" books

more...

31 Jul 2010

The Camera Lens Mug

A cup of joe that’ll keep you sharp, in-focus, and happy all day long…and those side effects aren’t from the caffeine.


Behold, the Camera Lens Mug, a mug that looks JUST LIKE a Canon 24-105mm lens!



It's equipped with a lens-cap lid, rubber-grip focus and zoom rings, and an auto-focus switch that actually switches

More HERE






23 Jul 2010

a perfect cup of joe

the team at plaid created this coffee chart that maps out everything from the cafe latte to the miami vice

22 Jul 2010

Make Glow Sticks - The Science

From NurdRage
We show how to make glow sticks and go through all the chemicals needed as well as how to make different colors. We also talk about the chemistry and scientifically research a proposed mechanism.




To make the glow stick mix together the following:

10mL Diethyl Phthalate (solvent)
3mg of fluorescent dye (see below)
50mg TCPO (see below)
100mg sodium acetate
3mL 30% hydrogen peroxide (add last to start reaction)

The fluorescent dye can be 9,10-bis(phenylethynyl)anthracene for green, Rubrene for yellow, 9,10-diphenylanthracene for blue, and rhodamine B for red.

TCPO is expensive to buy but can be made for much cheaper by following the directions in our previous video: http://www.youtube.com/watch?v=ViJknv...

The chemicals, including the ones to make TCPO were purchased from alfa aesar: http://www.alfa.com

The Rhodamine B and Rubrene dyes were instead purchased from sigma Aldrich: http://www.sigmaaldrich.com/

The dyes and TCPO are carcinogenic and gloves should be worn when handling them.

The TCPO and sodium acetate amounts can be varied considerably and still obtain good light. Smaller quantities tend to be dimmer and decay faster, while larger quantities last longer.

For those of you higher level individuals that actually do want to know the mechanism for this process, please refer to this article: http://pubs.acs.org/doi/pdf/10.1021/j...

13 Jul 2010

Your Loc8 Code

Your Loc8 Code

Loc8 Codes are the first and only All-Ireland Digital Address Code which is a smarter form of postcode. You can now easily find an exact location anywhere on the island of Ireland.

Loc8 Codes can be for your business, your house, your caravan site or even the location of your boot sale or rugby pitch.

12 Jul 2010

Liquid armour 'can stop bullets'

Liquid armour 'can stop bullets'

A liquid armour has been shown to stop bullets in tests carried out by UK scientists at BAE systems in Bristol.

The researchers have combined this "shear-thickening" liquid with Kevlar to create a new bullet-proof material.

The company is keeping the chemical formula of the liquid a secret, but it works by absorbing the force of the bullet strike and responding to it by becoming much thicker and more sticky.

The BAE scientists describe it as "bullet-proof custard".


MORE



9 Jul 2010

eCube® is an Energy-Saving Device for Commercial Refrigerators.

How eCube® works

eCube® consists of a food simulant contained in a double-skinned enclosure that mimics food temperature at approximately 15mm beneath the surface.  With eCube®, the thermostat regulates the refrigeration temperature based upon food temperature rather than air temperature, thereby maintaining food at the proper temperature.  When fitted to the thermostat sensor, which controls the compressor, eCube® significantly reduces the frequency of the refrigeration cycles which are now based on food temperature rather than fluctuating air temperature.  By using eCube® as a cycle control mechanism, refrigeration cycles last longer but can be reduced by as much as 85%.  For example, a Dairy Case cycles 3 minutes on, 2 minutes off = 12 cycles per hour.  With eCube®, the cycles change to 8 minutes on, 7 minutes off = 4 cycles per hour; a 66.7% reduction in starts.  As the start-up of a refrigerator compressor uses 3 times more power (i.e. start-up 12 amps, run 4 amps) considerable energy savings are achieved.  In addition, the more efficient refrigeration cycle leads to a more efficient unit, which then leads to a colder storage area. Consequently, by re-adjusting the thermostat back to its normal temperature settings, there are further substantial energy savings, without compromising food safety and quality.



20 Jun 2010

Giant USB Spaghetti Cable Monster Invades Australia

Giant USB Spaghetti Cable Monster Invades Australia
from GIZMODO
It’s the Waubra Wind Farm, owned by Spanish power company Acciona. The cables are the tracks:


11 Jun 2010

The first picture of a person

Boulevard du Temple, Paris, IIIe arrondissement, Daguerreotype. The first picture of a person. The image shows a busy street, but because exposure time was over ten minutes, the traffic was moving too much to appear. The exception is the man at the bottom left, who stood still getting his boots polished long enough to show. Note that the image is a mirror image.

http://en.wikipedia.org/wiki/File:Boulevard_du_Temple_by_Daguerre.jpg



1 Jun 2010

Platform 9 3/4 at King's Cross Station

Platform 9 3/4 at King's Cross Station

From gypsyguide.com
Muggles and wizards alike will recognize Platform 9 3/4 at King's Cross Station as the departure point for students on the Hogwarts Express.  Whether you are headed off to school for the first time, or just want to stop by for a quick photo op, a little schooling (but no magic) is required to find the fabled platform.

Why do I have visions of kids running into the wall?



31 May 2010

Work starts in £15m plan to get Concorde flying

The engines on a French Concorde are to be examined as the first move in a £15m project aiming to get the supersonic passenger jet back in the air. MORE...



18 May 2010

Chair out of letters

So designer Eric Ku made this chair out of the letters in the word chair, so you can sit while you spell.
MORE...




3 May 2010

The status quo of electric cars: better batteries, same range

The status quo of electric cars: better batteries, same range
Electric motors and batteries have improved substantially over the past one hundred years, but today's much hyped electric cars have a range that is - at best - comparable to that of their predecessors at the beginning of the 20th century. Weight, comfort, speed and performance have eaten up any real progress. We don't need better batteries, we need better cars.



MORE...

27 Feb 2010

Designing a radio with a single type of transistor

What do you do once you are already a skilled radio designer and restorer? Well, if you are Greg Charvot, you decide to build a shortwave radio using a single type of transistor as an active element. Normally, one would use number of different transistors, each designed to handle different amounts of power and amplifying bandwidth. Limiting yourself to a single type may seem like a mental exercise today (pun intended), but was apparently much more common back when transistors weren't easy to come by, so Greg isn't completely off his rocker. Also, by only using one kind of part, it should make repairs much easier.

MORE



26 Feb 2010

The Terminalscope is a full, bidirectional serial terminal

The Terminalscope is a full, bidirectional serial terminal that uses a PS/2 keyboard for input and displays 54x24-character output on an oscilloscope or XY display. It can be connected to a PC via USB-to-TTL adapter or directly to another microcontroller.

Features include:

  • 7-bit ASCII character set plus box-drawing characters
  • Flicker-free 60Hz picture
  • Most ANSI/VT100 escape sequences interpreted
  • Reverse video attribute supported
  • All your favorite ncurses terminal programs (vi, nano, top, links, mc, irssi, etc.) display fine
  • Graphical configuration menu
  • Selectable baud rate (2400-38400), data bits, parity, and stop bits
  • Two configuration profiles (stored in EEPROM) quickly selectable with an external switch