Search by term, person or webpage number

. In a long and labori- ous analysis, they were finally able to prepare pure samples of the elements polonium and radium which were identified through their spectra. Radium, in par- ticular, became

File type

application/zip

Referenced at

• Maria Skłodowska-Curie: discoverer of two radioactive elements

North Afri- can colonies. These devices enabled the soldiers to prepare hot meals without producing smoke, a detail relevant from a military perspective. These cookers were used until the 20 th century

File type

application/zip

Referenced at

• The hard work of experimenting James Prescott Joule, William Thomson, and the mechanical equivalent of heat.

North Afri- can colonies. These devices enabled the soldiers to prepare hot meals without producing smoke, a detail relevant from a military perspective. These cookers were used until the 20 th century

File type

application/zip

Referenced at

• Scientific Partnership; James Prescott Joule, William Thomson, and the mechanical equivalent of heat.

nutrients.’, he rubbed his forehead in meditation. ‘I will try to prepare for her a special broth, maybe it will work.’, he immediately left the room, leaving Emma’s parents in grief. He couldn’t waste

File type

application/pdf

Referenced at

• Liebig and nutrition

facility of the workhouse. Thompson figured out that he could prepare a meal for all the workers that would cost less than any individual would spend to nourish himself. The workers received a free [...] of soup. Thompson developed and published various recipes to prepare as much as 1200 portions of soup at one time, which became known as “Rumford soup.” Initially, it was a mixture of pearl barley,

File type

application/zip

Referenced at

• Liebig and nutrition

ac- ceptable – workers standing around waiting for a tool to be prepared were not his idea of efficiency. Thus, he demanded that the workers should work with a blunt drill whilst the other one was still [...] there were not fully convinced. At the same time, he would also prepare a German version of the paper and submit it to the Annalen der Physik, the recent-ly founded German journal which was becoming the

File type

application/pdf

Referenced at

• Rumford and calorics

continent in search of military opportunities and advancement. In preparation for his departure from Britain in 1783, he successfully lobbied for promotion to full colonel and, with his splendid new, crimson [...] in every recipe, re- cording the cooking time, ingredient preparation, and utensils used. His work was some of the first in the sci- ence of nutrition, and Rumford Soup became famous throughout Europe

File type

application/pdf

Referenced at

• Rumford and nutrition
• Rumford and calorics

North Afri- can colonies. These devices enabled the soldiers to prepare hot meals without producing smoke, a detail relevant from a military perspective. These cookers were used until the 20 th century [...] in every recipe, re- cording the cooking time, ingredient preparation, and utensils used. His work was some of the first in the sci- ence of nutrition, and Rumford Soup became famous throughout Europe [...] ac- ceptable – workers standing around waiting for a tool to be prepared were not his idea of efficiency. Thus, he demanded that the workers should work with a blunt drill whilst the other one was still

File type

application/zip

Referenced at

• Rumford and calorics

that is only meant to heat the house?” While he made the last preparations to teach his geometry class, he could not get his mind off the energy issue. The thought kept coming back to him, “The issue of [...] Why, of course, food!” So, the mathematics teacher turned cook prepared a delicious stew for dinner and cooked it in his solar heater. The solar heater had become a solar cooker. Over the next several [...] military, which could bet- ter conceal their positions as they prepared their food in smoke-free heaters. His report on his in- ventions to the government impressed the General Council so much that

File type

application/pdf

Referenced at

• Mouchot and the solar cooker

by the French soldiers in North Africa. In this way they were preparing meals without a smoke. A few solar system were build and used to power stem engines. On September 1878 at the World Exhibition in

File type

application/pdf

Referenced at

• Mouchot and the solar cooker