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Videos tagged with wunsch (6)

Artichoke Juice, Invisible Ink--a Witchcraft Potion?

Artichoke Juice, Invisible Ink--a W...

Secret Writing Techniques

Added 30 days ago | 00:02:56 | 859 views

Artichoke Juice, Invisible Ink--a Witchcraft Potion? In September 1656, a female spy based in England wrote to her brother, who was living under exile in Antwerp. She feared their letters were being intercepted, broken into and sealed up...

Alum Invisible Ink

Alum Invisible Ink

Secret Writing Techniques

Added 30 days ago | 00:07:18 | 378 views

By her correspondent’s panic reaction at having lost her letter with the formula for “invisable [sic] ink”, one can safely assume that one female spy had recommended a more sophisticated potion, not plain lemon juice, for secret messages...

Container Egg for Secret Messages

Container Egg for Secret Messages

Secret Writing Techniques

Added 30 days ago | 00:06:10 | 1144 views

Giambattista della Porta's "Magiae Naturalis" (1558; 1644 ed. Book 16-Chapter IV) and Thomas Lupton’s “A Thousand Notable Things” (1579) give a step by step description how to secrete letters in eggs: "To put a Shedule, or lytle wrytin...

How to make an inexpensive book cradle from one Tyvek™ envelope

How to make an inexpensive book cra...

MIT Libraries: book cradles

Added 1 month ago | 00:02:01 | 547 views

Watch our MITemp Lucy Brown demonstrate how to make this quick, easy, and inexpensive book cradle with one Tyvek™ envelope and some recycled air pillows. Book cradles are a type of support that help to reduce stress on the spine of a bo...

Simple repair 1: Broken spine rebuilt at the hinge

Simple repair 1: Broken spine rebui...

reengineering the broken spines of books

Added 3 months ago | 00:21:06 | 535 views

Reengineering broken book spines working group presents this first of many instructional videos that demonstrate the variations of this innovative book conservation treatment. WHO IS INVOLVED AND WHY: Jana Dambrogio, Thomas F. Peterson (...

Technology Day 1993 - "Riding the Wave of Innovation: The Ocean and MIT"

Technology Day 1993 - "Riding the W...

From The Vault

Added over 4 years ago | 03:02:00 | 28624 views

MIT's 1993 Technology Day, on the theme "Riding the Wave of Innovation: The Ocean and MIT," takes place on June 4, 1993. Speakers featured in the morning symposium include Sylvia Earle, "Exploring the Ocean with Unmanned Vehicles;" Rober...